7172555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6491}}^1$

素因数の和:6526

約数の個数: 16

約数和(自身を含む): 9815904

約数和(自身を除く): 2643349

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 6491, 32455, 84383, 110347, 421915, 551735, 1434511, 7172555]

約数ペア:

[(1, 7172555), (5, 1434511), (13, 551735), (17, 421915), (65, 110347), (85, 84383), (221, 32455), (1105, 6491)]