213251108

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{245681}}^1$

素因数の和:245723

約数の個数: 24

約数和(自身を含む): 440262144

約数和(自身を除く): 227011036

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 245681, 491362, 982724, 1719767, 3439534, 6879068, 7616111, 15232222, 30464444, 53312777, 106625554, 213251108]

約数ペア:

[(1, 213251108), (2, 106625554), (4, 53312777), (7, 30464444), (14, 15232222), (28, 7616111), (31, 6879068), (62, 3439534), (124, 1719767), (217, 982724), (434, 491362), (868, 245681)]