81372538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{2447}}^1$

素因数の和:3741

約数の個数: 16

約数和(自身を含む): 131604480

約数和(自身を除く): 50231942

約数列:

[1, 2, 13, 26, 1279, 2447, 2558, 4894, 16627, 31811, 33254, 63622, 3129713, 6259426, 40686269, 81372538]

約数ペア:

[(1, 81372538), (2, 40686269), (13, 6259426), (26, 3129713), (1279, 63622), (2447, 33254), (2558, 31811), (4894, 16627)]