221520358

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{53327}}^1$

素因数の和:53427

約数の個数: 16

約数和(自身を含む): 348125184

約数和(自身を除く): 126604826

約数列:

[1, 2, 31, 62, 67, 134, 2077, 4154, 53327, 106654, 1653137, 3306274, 3572909, 7145818, 110760179, 221520358]

約数ペア:

[(1, 221520358), (2, 110760179), (31, 7145818), (62, 3572909), (67, 3306274), (134, 1653137), (2077, 106654), (4154, 53327)]