131297342

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{542551}}^1$

素因数の和:542575

約数の個数: 12

約数和(自身を含む): 216478248

約数和(自身を除く): 85180906

約数列:

[1, 2, 11, 22, 121, 242, 542551, 1085102, 5968061, 11936122, 65648671, 131297342]

約数ペア:

[(1, 131297342), (2, 65648671), (11, 11936122), (22, 5968061), (121, 1085102), (242, 542551)]