64205428

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{37591}}^1$

素因数の和:37663

約数の個数: 24

約数和(自身を含む): 130519424

約数和(自身を除く): 66313996

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 37591, 75182, 150364, 263137, 526274, 1052548, 2293051, 4586102, 9172204, 16051357, 32102714, 64205428]

約数ペア:

[(1, 64205428), (2, 32102714), (4, 16051357), (7, 9172204), (14, 4586102), (28, 2293051), (61, 1052548), (122, 526274), (244, 263137), (427, 150364), (854, 75182), (1708, 37591)]