173679740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{667999}}^1$

素因数の和:668021

約数の個数: 24

約数和(自身を含む): 392784000

約数和(自身を除く): 219104260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 667999, 1335998, 2671996, 3339995, 6679990, 8683987, 13359980, 17367974, 34735948, 43419935, 86839870, 173679740]

約数ペア:

[(1, 173679740), (2, 86839870), (4, 43419935), (5, 34735948), (10, 17367974), (13, 13359980), (20, 8683987), (26, 6679990), (52, 3339995), (65, 2671996), (130, 1335998), (260, 667999)]