28197227.000000000

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 192

約数和(自身を含む): 2364134400

約数和(自身を除く): 1586116488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 61, 62, 79, 84, 93, 122, 124, 158, 168, 183, 186, 217, 237, 244, 248, 316, 366, 372, 427, 434, 474, 488, 553, 632, 651, 732, 744, 854, 868, 948, 961, 1106, 1281, 1302, 1464, 1659, 1708, 1736, 1891, 1896, 1922, 2212, 2449, 2562, 2604, 2883, 3318, 3416, 3782, 3844, 4424, 4819, 4898, 5124, 5208, 5673, 5766, 6636, 6727, 7347, 7564, 7688, 9638, 9796, 10248, 11346, 11532, 13237, 13272, 13454, 14457, 14694, 15128, 17143, 19276, 19592, 20181, 22692, 23064, 26474, 26908, 28914, 29388, 33733, 34286, 38552, 39711, 40362, 45384, 51429, 52948, 53816, 57828, 58621, 58776, 67466, 68572, 75919, 79422, 80724, 101199, 102858, 105896, 115656, 117242, 134932, 137144, 149389, 151838, 158844, 161448, 175863, 202398, 205716, 227757, 234484, 269864, 298778, 303676, 317688, 351726, 404796, 410347, 411432, 448167, 455514, 468968, 531433, 597556, 607352, 703452, 809592, 820694, 896334, 911028, 1045723, 1062866, 1195112, 1231041, 1406904, 1594299, 1641388, 1792668, 1822056, 2091446, 2125732, 2462082, 3137169, 3188598, 3282776, 3585336, 4182892, 4251464, 4631059, 4924164, 6274338, 6377196, 8365784, 9262118, 9848328, 12548676, 12754392, 13893177, 18524236, 25097352, 27786354, 32417413, 37048472, 55572708, 64834826, 97252239, 111145416, 129669652, 194504478, 259339304, 389008956, 778017912]

約数ペア:

[(1, 778017912), (2, 389008956), (3, 259339304), (4, 194504478), (6, 129669652), (7, 111145416), (8, 97252239), (12, 64834826), (14, 55572708), (21, 37048472), (24, 32417413), (28, 27786354), (31, 25097352), (42, 18524236), (56, 13893177), (61, 12754392), (62, 12548676), (79, 9848328), (84, 9262118), (93, 8365784), (122, 6377196), (124, 6274338), (158, 4924164), (168, 4631059), (183, 4251464), (186, 4182892), (217, 3585336), (237, 3282776), (244, 3188598), (248, 3137169), (316, 2462082), (366, 2125732), (372, 2091446), (427, 1822056), (434, 1792668), (474, 1641388), (488, 1594299), (553, 1406904), (632, 1231041), (651, 1195112), (732, 1062866), (744, 1045723), (854, 911028), (868, 896334), (948, 820694), (961, 809592), (1106, 703452), (1281, 607352), (1302, 597556), (1464, 531433), (1659, 468968), (1708, 455514), (1736, 448167), (1891, 411432), (1896, 410347), (1922, 404796), (2212, 351726), (2449, 317688), (2562, 303676), (2604, 298778), (2883, 269864), (3318, 234484), (3416, 227757), (3782, 205716), (3844, 202398), (4424, 175863), (4819, 161448), (4898, 158844), (5124, 151838), (5208, 149389), (5673, 137144), (5766, 134932), (6636, 117242), (6727, 115656), (7347, 105896), (7564, 102858), (7688, 101199), (9638, 80724), (9796, 79422), (10248, 75919), (11346, 68572), (11532, 67466), (13237, 58776), (13272, 58621), (13454, 57828), (14457, 53816), (14694, 52948), (15128, 51429), (17143, 45384), (19276, 40362), (19592, 39711), (20181, 38552), (22692, 34286), (23064, 33733), (26474, 29388), (26908, 28914)]