12978923248

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{4976581}}^1$

素因数の和:4976752

約数の個数: 20

約数和(自身を含む): 25300942888

約数和(自身を除く): 12322019640

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 4976581, 9953162, 19906324, 39812648, 79625296, 811182703, 1622365406, 3244730812, 6489461624, 12978923248]

約数ペア:

[(1, 12978923248), (2, 6489461624), (4, 3244730812), (8, 1622365406), (16, 811182703), (163, 79625296), (326, 39812648), (652, 19906324), (1304, 9953162), (2608, 4976581)]