213897328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{326063}}^1$

素因数の和:326112

約数の個数: 20

約数和(自身を含む): 424535328

約数和(自身を除く): 210638000

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 326063, 652126, 1304252, 2608504, 5217008, 13368583, 26737166, 53474332, 106948664, 213897328]

約数ペア:

[(1, 213897328), (2, 106948664), (4, 53474332), (8, 26737166), (16, 13368583), (41, 5217008), (82, 2608504), (164, 1304252), (328, 652126), (656, 326063)]