678607018

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{220757}}^1$

素因数の和:220841

約数の個数: 16

約数和(自身を含む): 1072883880

約数和(自身を除く): 394276862

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 220757, 441514, 6401953, 11700121, 12803906, 23400242, 339303509, 678607018]

約数ペア:

[(1, 678607018), (2, 339303509), (29, 23400242), (53, 12803906), (58, 11700121), (106, 6401953), (1537, 441514), (3074, 220757)]