64491376

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{36979}}^1$

素因数の和:37096

約数の個数: 20

約数和(自身を含む): 126101800

約数和(自身を除く): 61610424

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 36979, 73958, 147916, 295832, 591664, 4030711, 8061422, 16122844, 32245688, 64491376]

約数ペア:

[(1, 64491376), (2, 32245688), (4, 16122844), (8, 8061422), (16, 4030711), (109, 591664), (218, 295832), (436, 147916), (872, 73958), (1744, 36979)]