31813002

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 72

約数和(自身を含む): 77900004

約数和(自身を除く): 46087002

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 257, 299, 414, 514, 529, 598, 771, 897, 1058, 1542, 1587, 1794, 2313, 2691, 3174, 3341, 4626, 4761, 5382, 5911, 6682, 6877, 9522, 10023, 11822, 13754, 17733, 20046, 20631, 30069, 35466, 41262, 53199, 60138, 61893, 76843, 106398, 123786, 135953, 153686, 230529, 271906, 407859, 461058, 691587, 815718, 1223577, 1383174, 1767389, 2447154, 3534778, 5302167, 10604334, 15906501, 31813002]

約数ペア:

[(1, 31813002), (2, 15906501), (3, 10604334), (6, 5302167), (9, 3534778), (13, 2447154), (18, 1767389), (23, 1383174), (26, 1223577), (39, 815718), (46, 691587), (69, 461058), (78, 407859), (117, 271906), (138, 230529), (207, 153686), (234, 135953), (257, 123786), (299, 106398), (414, 76843), (514, 61893), (529, 60138), (598, 53199), (771, 41262), (897, 35466), (1058, 30069), (1542, 20631), (1587, 20046), (1794, 17733), (2313, 13754), (2691, 11822), (3174, 10023), (3341, 9522), (4626, 6877), (4761, 6682), (5382, 5911)]