131231518

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{28541}}^1$

素因数の和:28584

約数の個数: 24

約数和(自身を含む): 227765160

約数和(自身を除く): 96533642

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 28541, 57082, 313951, 542279, 627902, 1084558, 3453461, 5965069, 6906922, 11930138, 65615759, 131231518]

約数ペア:

[(1, 131231518), (2, 65615759), (11, 11930138), (19, 6906922), (22, 5965069), (38, 3453461), (121, 1084558), (209, 627902), (242, 542279), (418, 313951), (2299, 57082), (4598, 28541)]