81881358

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{2087}}^1$

素因数の和:2608

約数の個数: 32

約数和(自身を含む): 176795136

約数和(自身を除く): 94913778

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 503, 1006, 1509, 2087, 3018, 4174, 6261, 6539, 12522, 13078, 19617, 27131, 39234, 54262, 81393, 162786, 1049761, 2099522, 3149283, 6298566, 13646893, 27293786, 40940679, 81881358]

約数ペア:

[(1, 81881358), (2, 40940679), (3, 27293786), (6, 13646893), (13, 6298566), (26, 3149283), (39, 2099522), (78, 1049761), (503, 162786), (1006, 81393), (1509, 54262), (2087, 39234), (3018, 27131), (4174, 19617), (6261, 13078), (6539, 12522)]