81943576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{863}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 182891520

約数和(自身を除く): 100947944

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 83, 88, 104, 143, 166, 286, 332, 572, 664, 863, 913, 1079, 1144, 1726, 1826, 2158, 3452, 3652, 4316, 6904, 7304, 8632, 9493, 11219, 11869, 18986, 22438, 23738, 37972, 44876, 47476, 71629, 75944, 89752, 94952, 123409, 143258, 246818, 286516, 493636, 573032, 787919, 931177, 987272, 1575838, 1862354, 3151676, 3724708, 6303352, 7449416, 10242947, 20485894, 40971788, 81943576]

約数ペア:

[(1, 81943576), (2, 40971788), (4, 20485894), (8, 10242947), (11, 7449416), (13, 6303352), (22, 3724708), (26, 3151676), (44, 1862354), (52, 1575838), (83, 987272), (88, 931177), (104, 787919), (143, 573032), (166, 493636), (286, 286516), (332, 246818), (572, 143258), (664, 123409), (863, 94952), (913, 89752), (1079, 75944), (1144, 71629), (1726, 47476), (1826, 44876), (2158, 37972), (3452, 23738), (3652, 22438), (4316, 18986), (6904, 11869), (7304, 11219), (8632, 9493)]