826639376

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1260121}}^1$

素因数の和:1260170

約数の個数: 20

約数和(自身を含む): 1640678844

約数和(自身を除く): 814039468

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1260121, 2520242, 5040484, 10080968, 20161936, 51664961, 103329922, 206659844, 413319688, 826639376]

約数ペア:

[(1, 826639376), (2, 413319688), (4, 206659844), (8, 103329922), (16, 51664961), (41, 20161936), (82, 10080968), (164, 5040484), (328, 2520242), (656, 1260121)]