217194625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 281129472

約数和(自身を除く): 63934847

約数列:

[1, 5, 25, 37, 125, 151, 185, 311, 755, 925, 1555, 3775, 4625, 5587, 7775, 11507, 18875, 27935, 38875, 46961, 57535, 139675, 234805, 287675, 698375, 1174025, 1438375, 1737557, 5870125, 8687785, 43438925, 217194625]

約数ペア:

[(1, 217194625), (5, 43438925), (25, 8687785), (37, 5870125), (125, 1737557), (151, 1438375), (185, 1174025), (311, 698375), (755, 287675), (925, 234805), (1555, 139675), (3775, 57535), (4625, 46961), (5587, 38875), (7775, 27935), (11507, 18875)]