646082879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{22871}}^1$

素因数の和:22978

約数の個数: 16

約数和(自身を含む): 726231744

約数和(自身を除く): 80148865

約数列:

[1, 13, 41, 53, 533, 689, 2173, 22871, 28249, 297323, 937711, 1212163, 12190243, 15758119, 49698683, 646082879]

約数ペア:

[(1, 646082879), (13, 49698683), (41, 15758119), (53, 12190243), (533, 1212163), (689, 937711), (2173, 297323), (22871, 28249)]