64872812

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1223}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 115668000

約数和(自身を除く): 50795188

約数列:

[1, 2, 4, 89, 149, 178, 298, 356, 596, 1223, 2446, 4892, 13261, 26522, 53044, 108847, 182227, 217694, 364454, 435388, 728908, 16218203, 32436406, 64872812]

約数ペア:

[(1, 64872812), (2, 32436406), (4, 16218203), (89, 728908), (149, 435388), (178, 364454), (298, 217694), (356, 182227), (596, 108847), (1223, 53044), (2446, 26522), (4892, 13261)]