163871690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 299970000

約数和(自身を除く): 136098310

約数列:

[1, 2, 5, 10, 109, 149, 218, 298, 545, 745, 1009, 1090, 1490, 2018, 5045, 10090, 16241, 32482, 81205, 109981, 150341, 162410, 219962, 300682, 549905, 751705, 1099810, 1503410, 16387169, 32774338, 81935845, 163871690]

約数ペア:

[(1, 163871690), (2, 81935845), (5, 32774338), (10, 16387169), (109, 1503410), (149, 1099810), (218, 751705), (298, 549905), (545, 300682), (745, 219962), (1009, 162410), (1090, 150341), (1490, 109981), (2018, 81205), (5045, 32482), (10090, 16241)]