213926668

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 378411264

約数和(自身を除く): 164484596

約数列:

[1, 2, 4, 131, 262, 524, 631, 647, 1262, 1294, 2524, 2588, 82661, 84757, 165322, 169514, 330644, 339028, 408257, 816514, 1633028, 53481667, 106963334, 213926668]

約数ペア:

[(1, 213926668), (2, 106963334), (4, 53481667), (131, 1633028), (262, 816514), (524, 408257), (631, 339028), (647, 330644), (1262, 169514), (1294, 165322), (2524, 84757), (2588, 82661)]