64443025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 82516544

約数和(自身を除く): 18073519

約数列:

[1, 5, 25, 43, 151, 215, 397, 755, 1075, 1985, 3775, 6493, 9925, 17071, 32465, 59947, 85355, 162325, 299735, 426775, 1498675, 2577721, 12888605, 64443025]

約数ペア:

[(1, 64443025), (5, 12888605), (25, 2577721), (43, 1498675), (151, 426775), (215, 299735), (397, 162325), (755, 85355), (1075, 59947), (1985, 32465), (3775, 17071), (6493, 9925)]