221178704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{813157}}^1$

素因数の和:813182

約数の個数: 20

約数和(自身を含む): 453742164

約数和(自身を除く): 232563460

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 813157, 1626314, 3252628, 6505256, 13010512, 13823669, 27647338, 55294676, 110589352, 221178704]

約数ペア:

[(1, 221178704), (2, 110589352), (4, 55294676), (8, 27647338), (16, 13823669), (17, 13010512), (34, 6505256), (68, 3252628), (136, 1626314), (272, 813157)]