28115388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 86661120

約数和(自身を除く): 58545732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 59, 61, 62, 63, 84, 93, 118, 122, 124, 126, 177, 183, 186, 217, 236, 244, 252, 279, 354, 366, 372, 413, 427, 434, 531, 549, 558, 651, 708, 732, 826, 854, 868, 1062, 1098, 1116, 1239, 1281, 1302, 1652, 1708, 1829, 1891, 1953, 2124, 2196, 2478, 2562, 2604, 3599, 3658, 3717, 3782, 3843, 3906, 4956, 5124, 5487, 5673, 7198, 7316, 7434, 7564, 7686, 7812, 10797, 10974, 11346, 12803, 13237, 14396, 14868, 15372, 16461, 17019, 21594, 21948, 22692, 25193, 25606, 26474, 32391, 32922, 34038, 38409, 39711, 43188, 50386, 51212, 52948, 64782, 65844, 68076, 75579, 76818, 79422, 100772, 111569, 115227, 119133, 129564, 151158, 153636, 158844, 223138, 226737, 230454, 238266, 302316, 334707, 446276, 453474, 460908, 476532, 669414, 780983, 906948, 1004121, 1338828, 1561966, 2008242, 2342949, 3123932, 4016484, 4685898, 7028847, 9371796, 14057694, 28115388]

約数ペア:

[(1, 28115388), (2, 14057694), (3, 9371796), (4, 7028847), (6, 4685898), (7, 4016484), (9, 3123932), (12, 2342949), (14, 2008242), (18, 1561966), (21, 1338828), (28, 1004121), (31, 906948), (36, 780983), (42, 669414), (59, 476532), (61, 460908), (62, 453474), (63, 446276), (84, 334707), (93, 302316), (118, 238266), (122, 230454), (124, 226737), (126, 223138), (177, 158844), (183, 153636), (186, 151158), (217, 129564), (236, 119133), (244, 115227), (252, 111569), (279, 100772), (354, 79422), (366, 76818), (372, 75579), (413, 68076), (427, 65844), (434, 64782), (531, 52948), (549, 51212), (558, 50386), (651, 43188), (708, 39711), (732, 38409), (826, 34038), (854, 32922), (868, 32391), (1062, 26474), (1098, 25606), (1116, 25193), (1239, 22692), (1281, 21948), (1302, 21594), (1652, 17019), (1708, 16461), (1829, 15372), (1891, 14868), (1953, 14396), (2124, 13237), (2196, 12803), (2478, 11346), (2562, 10974), (2604, 10797), (3599, 7812), (3658, 7686), (3717, 7564), (3782, 7434), (3843, 7316), (3906, 7198), (4956, 5673), (5124, 5487)]