221415482

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{10139}}^1$

素因数の和:10381

約数の個数: 16

約数和(自身を含む): 339487200

約数和(自身を除く): 118071718

約数列:

[1, 2, 61, 122, 179, 358, 10139, 10919, 20278, 21838, 618479, 1236958, 1814881, 3629762, 110707741, 221415482]

約数ペア:

[(1, 221415482), (2, 110707741), (61, 3629762), (122, 1814881), (179, 1236958), (358, 618479), (10139, 21838), (10919, 20278)]