28687163908

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 144

約数和(自身を含む): 60098371200

約数和(自身を除く): 31411207292

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 169, 247, 269, 299, 338, 361, 437, 494, 538, 598, 676, 722, 874, 988, 1076, 1196, 1444, 1748, 3211, 3497, 3887, 4693, 5111, 5681, 6187, 6422, 6859, 6994, 7774, 8303, 9386, 10222, 11362, 12374, 12844, 13718, 13988, 15548, 16606, 18772, 20444, 22724, 24748, 27436, 33212, 45461, 61009, 66443, 73853, 80431, 89167, 90922, 97109, 107939, 117553, 122018, 132886, 147706, 157757, 160862, 178334, 181844, 194218, 215878, 235106, 244036, 265772, 295412, 315514, 321724, 356668, 388436, 431756, 470212, 631028, 863759, 1045603, 1159171, 1262417, 1403207, 1528189, 1727518, 1845071, 2050841, 2091206, 2233507, 2318342, 2524834, 2806414, 3056378, 3455036, 3690142, 4101682, 4182412, 4467014, 4636684, 5049668, 5612828, 6112756, 7380284, 8203364, 8934028, 16411421, 19866457, 23985923, 26660933, 29035591, 32822842, 39732914, 42436633, 47971846, 53321866, 58071182, 65645684, 79465828, 84873266, 95943692, 106643732, 116142364, 169746532, 311816999, 377462683, 551676229, 623633998, 754925366, 1103352458, 1247267996, 1509850732, 2206704916, 7171790977, 14343581954, 28687163908]

約数ペア:

[(1, 28687163908), (2, 14343581954), (4, 7171790977), (13, 2206704916), (19, 1509850732), (23, 1247267996), (26, 1103352458), (38, 754925366), (46, 623633998), (52, 551676229), (76, 377462683), (92, 311816999), (169, 169746532), (247, 116142364), (269, 106643732), (299, 95943692), (338, 84873266), (361, 79465828), (437, 65645684), (494, 58071182), (538, 53321866), (598, 47971846), (676, 42436633), (722, 39732914), (874, 32822842), (988, 29035591), (1076, 26660933), (1196, 23985923), (1444, 19866457), (1748, 16411421), (3211, 8934028), (3497, 8203364), (3887, 7380284), (4693, 6112756), (5111, 5612828), (5681, 5049668), (6187, 4636684), (6422, 4467014), (6859, 4182412), (6994, 4101682), (7774, 3690142), (8303, 3455036), (9386, 3056378), (10222, 2806414), (11362, 2524834), (12374, 2318342), (12844, 2233507), (13718, 2091206), (13988, 2050841), (15548, 1845071), (16606, 1727518), (18772, 1528189), (20444, 1403207), (22724, 1262417), (24748, 1159171), (27436, 1045603), (33212, 863759), (45461, 631028), (61009, 470212), (66443, 431756), (73853, 388436), (80431, 356668), (89167, 321724), (90922, 315514), (97109, 295412), (107939, 265772), (117553, 244036), (122018, 235106), (132886, 215878), (147706, 194218), (157757, 181844), (160862, 178334)]