81507826

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{1699}}^1$

素因数の和:1818

約数の個数: 24

約数和(自身を含む): 131518800

約数和(自身を除く): 50010974

約数列:

[1, 2, 17, 34, 83, 166, 289, 578, 1411, 1699, 2822, 3398, 23987, 28883, 47974, 57766, 141017, 282034, 491011, 982022, 2397289, 4794578, 40753913, 81507826]

約数ペア:

[(1, 81507826), (2, 40753913), (17, 4794578), (34, 2397289), (83, 982022), (166, 491011), (289, 282034), (578, 141017), (1411, 57766), (1699, 47974), (2822, 28883), (3398, 23987)]