311918737

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{719}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 360495360

約数和(自身を除く): 48576623

約数列:

[1, 13, 17, 151, 169, 221, 719, 1963, 2567, 2873, 9347, 12223, 25519, 33371, 108569, 121511, 158899, 433823, 1411397, 1845673, 2065687, 18348161, 23993749, 311918737]

約数ペア:

[(1, 311918737), (13, 23993749), (17, 18348161), (151, 2065687), (169, 1845673), (221, 1411397), (719, 433823), (1963, 158899), (2567, 121511), (2873, 108569), (9347, 33371), (12223, 25519)]