220147256

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{38167}}^1$

素因数の和:38283

約数の個数: 32

約数和(自身を含む): 476336640

約数和(自身を除く): 256189384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 5768, 38167, 76334, 152668, 267169, 305336, 534338, 1068676, 2137352, 3931201, 7862402, 15724804, 27518407, 31449608, 55036814, 110073628, 220147256]

約数ペア:

[(1, 220147256), (2, 110073628), (4, 55036814), (7, 31449608), (8, 27518407), (14, 15724804), (28, 7862402), (56, 3931201), (103, 2137352), (206, 1068676), (412, 534338), (721, 305336), (824, 267169), (1442, 152668), (2884, 76334), (5768, 38167)]