656686438

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 1055047680

約数和(自身を除く): 398361242

約数列:

[1, 2, 17, 34, 211, 239, 383, 422, 478, 766, 3587, 4063, 6511, 7174, 8126, 13022, 50429, 80813, 91537, 100858, 161626, 183074, 857293, 1373821, 1556129, 1714586, 2747642, 3112258, 19314307, 38628614, 328343219, 656686438]

約数ペア:

[(1, 656686438), (2, 328343219), (17, 38628614), (34, 19314307), (211, 3112258), (239, 2747642), (383, 1714586), (422, 1556129), (478, 1373821), (766, 857293), (3587, 183074), (4063, 161626), (6511, 100858), (7174, 91537), (8126, 80813), (13022, 50429)]