680917106

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 1062720000

約数和(自身を除く): 381802894

約数列:

[1, 2, 47, 89, 94, 178, 199, 398, 409, 818, 4183, 8366, 9353, 17711, 18706, 19223, 35422, 36401, 38446, 72802, 81391, 162782, 832417, 1664834, 1710847, 3421694, 3825377, 7243799, 7650754, 14487598, 340458553, 680917106]

約数ペア:

[(1, 680917106), (2, 340458553), (47, 14487598), (89, 7650754), (94, 7243799), (178, 3825377), (199, 3421694), (398, 1710847), (409, 1664834), (818, 832417), (4183, 162782), (8366, 81391), (9353, 72802), (17711, 38446), (18706, 36401), (19223, 35422)]