81380616

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{12893}}^1$

素因数の和:13165

約数の個数: 32

約数和(自身を含む): 204240960

約数和(自身を除く): 122860344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 6312, 12893, 25786, 38679, 51572, 77358, 103144, 154716, 309432, 3390859, 6781718, 10172577, 13563436, 20345154, 27126872, 40690308, 81380616]

約数ペア:

[(1, 81380616), (2, 40690308), (3, 27126872), (4, 20345154), (6, 13563436), (8, 10172577), (12, 6781718), (24, 3390859), (263, 309432), (526, 154716), (789, 103144), (1052, 77358), (1578, 51572), (2104, 38679), (3156, 25786), (6312, 12893)]