215539804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{47309}}^1$

素因数の和:47397

約数の個数: 24

約数和(自身を含む): 405352080

約数和(自身を除く): 189812276

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 268, 1139, 2278, 4556, 47309, 94618, 189236, 804253, 1608506, 3169703, 3217012, 6339406, 12678812, 53884951, 107769902, 215539804]

約数ペア:

[(1, 215539804), (2, 107769902), (4, 53884951), (17, 12678812), (34, 6339406), (67, 3217012), (68, 3169703), (134, 1608506), (268, 804253), (1139, 189236), (2278, 94618), (4556, 47309)]