213501964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{25189}}^1$

素因数の和:25369

約数の個数: 24

約数和(自身を含む): 404853680

約数和(自身を除く): 191351716

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 4238, 8476, 25189, 50378, 100756, 327457, 654914, 1309828, 4105807, 8211614, 16423228, 53375491, 106750982, 213501964]

約数ペア:

[(1, 213501964), (2, 106750982), (4, 53375491), (13, 16423228), (26, 8211614), (52, 4105807), (163, 1309828), (326, 654914), (652, 327457), (2119, 100756), (4238, 50378), (8476, 25189)]