28329275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1301}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 38424624

約数和(自身を除く): 10095349

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1301, 1675, 4355, 6505, 16913, 21775, 32525, 84565, 87167, 422825, 435835, 1133171, 2179175, 5665855, 28329275]

約数ペア:

[(1, 28329275), (5, 5665855), (13, 2179175), (25, 1133171), (65, 435835), (67, 422825), (325, 87167), (335, 84565), (871, 32525), (1301, 21775), (1675, 16913), (4355, 6505)]