2199275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 3010224

約数和(自身を除く): 810949

約数列:

[1, 5, 13, 25, 65, 67, 101, 325, 335, 505, 871, 1313, 1675, 2525, 4355, 6565, 6767, 21775, 32825, 33835, 87971, 169175, 439855, 2199275]

約数ペア:

[(1, 2199275), (5, 439855), (13, 169175), (25, 87971), (65, 33835), (67, 32825), (101, 21775), (325, 6767), (335, 6565), (505, 4355), (871, 2525), (1313, 1675)]