82721075

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 105462000

約数和(自身を除く): 22740925

約数列:

[1, 5, 25, 53, 149, 265, 419, 745, 1325, 2095, 3725, 7897, 10475, 22207, 39485, 62431, 111035, 197425, 312155, 555175, 1560775, 3308843, 16544215, 82721075]

約数ペア:

[(1, 82721075), (5, 16544215), (25, 3308843), (53, 1560775), (149, 555175), (265, 312155), (419, 197425), (745, 111035), (1325, 62431), (2095, 39485), (3725, 22207), (7897, 10475)]