2011121125

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 2916006912

約数和(自身を除く): 904885787

約数列:

[1, 5, 13, 25, 31, 37, 65, 83, 125, 155, 169, 185, 325, 403, 415, 481, 775, 845, 925, 1079, 1147, 1625, 2015, 2075, 2405, 2573, 3071, 3875, 4225, 4625, 5239, 5395, 5735, 6253, 10075, 10375, 12025, 12865, 14027, 14911, 15355, 21125, 26195, 26975, 28675, 31265, 33449, 39923, 50375, 60125, 64325, 70135, 74555, 76775, 95201, 130975, 134875, 143375, 156325, 167245, 193843, 199615, 321625, 350675, 372775, 383875, 434837, 476005, 518999, 654875, 781625, 836225, 969215, 998075, 1237613, 1753375, 1863875, 2174185, 2380025, 2594995, 4181125, 4846075, 4990375, 6188065, 10870925, 11900125, 12974975, 16088969, 24230375, 30940325, 54354625, 64874875, 80444845, 154701625, 402224225, 2011121125]

約数ペア:

[(1, 2011121125), (5, 402224225), (13, 154701625), (25, 80444845), (31, 64874875), (37, 54354625), (65, 30940325), (83, 24230375), (125, 16088969), (155, 12974975), (169, 11900125), (185, 10870925), (325, 6188065), (403, 4990375), (415, 4846075), (481, 4181125), (775, 2594995), (845, 2380025), (925, 2174185), (1079, 1863875), (1147, 1753375), (1625, 1237613), (2015, 998075), (2075, 969215), (2405, 836225), (2573, 781625), (3071, 654875), (3875, 518999), (4225, 476005), (4625, 434837), (5239, 383875), (5395, 372775), (5735, 350675), (6253, 321625), (10075, 199615), (10375, 193843), (12025, 167245), (12865, 156325), (14027, 143375), (14911, 134875), (15355, 130975), (21125, 95201), (26195, 76775), (26975, 74555), (28675, 70135), (31265, 64325), (33449, 60125), (39923, 50375)]