218241709

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1\times {\mathrm{661}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 252809856

約数和(自身を除く): 34568147

約数列:

[1, 7, 101, 467, 661, 707, 3269, 4627, 47167, 66761, 308687, 330169, 467327, 2160809, 31177387, 218241709]

約数ペア:

[(1, 218241709), (7, 31177387), (101, 2160809), (467, 467327), (661, 330169), (707, 308687), (3269, 66761), (4627, 47167)]