20171939711

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 27736473600

約数和(自身を除く): 7564533889

約数列:

[1, 7, 11, 23, 43, 49, 77, 79, 161, 253, 301, 473, 479, 539, 553, 869, 989, 1127, 1771, 1817, 2107, 3311, 3353, 3397, 3871, 5269, 6083, 6923, 10879, 11017, 12397, 12719, 19987, 20597, 23177, 23471, 23779, 36883, 37367, 37841, 42581, 48461, 76153, 77119, 78131, 89033, 121187, 139909, 144179, 166453, 226567, 258181, 261569, 264887, 416251, 473731, 533071, 539833, 546917, 848309, 859441, 870343, 979363, 1009253, 1585969, 1627163, 1830983, 1854209, 2913757, 3316117, 3828419, 5211041, 5938163, 6016087, 6092401, 9573773, 11101783, 11390141, 17898793, 20396299, 23212819, 36477287, 37424749, 42112609, 42646807, 67016411, 79730987, 125291551, 255341009, 261973243, 411672239, 469114877, 877040857, 1833812701, 2881705673, 20171939711]

約数ペア:

[(1, 20171939711), (7, 2881705673), (11, 1833812701), (23, 877040857), (43, 469114877), (49, 411672239), (77, 261973243), (79, 255341009), (161, 125291551), (253, 79730987), (301, 67016411), (473, 42646807), (479, 42112609), (539, 37424749), (553, 36477287), (869, 23212819), (989, 20396299), (1127, 17898793), (1771, 11390141), (1817, 11101783), (2107, 9573773), (3311, 6092401), (3353, 6016087), (3397, 5938163), (3871, 5211041), (5269, 3828419), (6083, 3316117), (6923, 2913757), (10879, 1854209), (11017, 1830983), (12397, 1627163), (12719, 1585969), (19987, 1009253), (20597, 979363), (23177, 870343), (23471, 859441), (23779, 848309), (36883, 546917), (37367, 539833), (37841, 533071), (42581, 473731), (48461, 416251), (76153, 264887), (77119, 261569), (78131, 258181), (89033, 226567), (121187, 166453), (139909, 144179)]