7218250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 14558544

約数和(自身を除く): 7340294

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 2221, 3250, 4442, 11105, 22210, 28873, 55525, 57746, 111050, 144365, 277625, 288730, 555250, 721825, 1443650, 3609125, 7218250]

約数ペア:

[(1, 7218250), (2, 3609125), (5, 1443650), (10, 721825), (13, 555250), (25, 288730), (26, 277625), (50, 144365), (65, 111050), (125, 57746), (130, 55525), (250, 28873), (325, 22210), (650, 11105), (1625, 4442), (2221, 3250)]