89974025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:953

約数の個数: 24

約数和(自身を含む): 118013280

約数和(自身を除く): 28039255

約数列:

[1, 5, 19, 25, 95, 307, 475, 617, 1535, 3085, 5833, 7675, 11723, 15425, 29165, 58615, 145825, 189419, 293075, 947095, 3598961, 4735475, 17994805, 89974025]

約数ペア:

[(1, 89974025), (5, 17994805), (19, 4735475), (25, 3598961), (95, 947095), (307, 293075), (475, 189419), (617, 145825), (1535, 58615), (3085, 29165), (5833, 15425), (7675, 11723)]