64720168

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{137119}}^1$

素因数の和:137184

約数の個数: 16

約数和(自身を含む): 123408000

約数和(自身を除く): 58687832

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 137119, 274238, 548476, 1096952, 8090021, 16180042, 32360084, 64720168]

約数ペア:

[(1, 64720168), (2, 32360084), (4, 16180042), (8, 8090021), (59, 1096952), (118, 548476), (236, 274238), (472, 137119)]