664027492

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{307}}^1\times {\mathrm{3947}}^1$

素因数の和:4395

約数の個数: 24

約数和(自身を含む): 1174640544

約数和(自身を除く): 510613052

約数列:

[1, 2, 4, 137, 274, 307, 548, 614, 1228, 3947, 7894, 15788, 42059, 84118, 168236, 540739, 1081478, 1211729, 2162956, 2423458, 4846916, 166006873, 332013746, 664027492]

約数ペア:

[(1, 664027492), (2, 332013746), (4, 166006873), (137, 4846916), (274, 2423458), (307, 2162956), (548, 1211729), (614, 1081478), (1228, 540739), (3947, 168236), (7894, 84118), (15788, 42059)]