78680329

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{123517}}^1$

素因数の和:123544

約数の個数: 12

約数和(自身を含む): 98567364

約数和(自身を除く): 19887035

約数列:

[1, 7, 13, 49, 91, 637, 123517, 864619, 1605721, 6052333, 11240047, 78680329]

約数ペア:

[(1, 78680329), (7, 11240047), (13, 6052333), (49, 1605721), (91, 864619), (637, 123517)]