28865275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 38281280

約数和(自身を除く): 9416005

約数列:

[1, 5, 19, 25, 67, 95, 335, 475, 907, 1273, 1675, 4535, 6365, 17233, 22675, 31825, 60769, 86165, 303845, 430825, 1154611, 1519225, 5773055, 28865275]

約数ペア:

[(1, 28865275), (5, 5773055), (19, 1519225), (25, 1154611), (67, 430825), (95, 303845), (335, 86165), (475, 60769), (907, 31825), (1273, 22675), (1675, 17233), (4535, 6365)]