215567912

素因数分解:

$2^3\times 7^1\times {\mathrm{557}}^1\times {\mathrm{6911}}^1$

素因数の和:7481

約数の個数: 32

約数和(自身を含む): 462827520

約数和(自身を除く): 247259608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 557, 1114, 2228, 3899, 4456, 6911, 7798, 13822, 15596, 27644, 31192, 48377, 55288, 96754, 193508, 387016, 3849427, 7698854, 15397708, 26945989, 30795416, 53891978, 107783956, 215567912]

約数ペア:

[(1, 215567912), (2, 107783956), (4, 53891978), (7, 30795416), (8, 26945989), (14, 15397708), (28, 7698854), (56, 3849427), (557, 387016), (1114, 193508), (2228, 96754), (3899, 55288), (4456, 48377), (6911, 31192), (7798, 27644), (13822, 15596)]