66338375

素因数分解:

$5^3\times {\mathrm{67}}^1\times {\mathrm{89}}^2$

素因数の和:260

約数の個数: 24

約数和(自身を含む): 84980688

約数和(自身を除く): 18642313

約数列:

[1, 5, 25, 67, 89, 125, 335, 445, 1675, 2225, 5963, 7921, 8375, 11125, 29815, 39605, 149075, 198025, 530707, 745375, 990125, 2653535, 13267675, 66338375]

約数ペア:

[(1, 66338375), (5, 13267675), (25, 2653535), (67, 990125), (89, 745375), (125, 530707), (335, 198025), (445, 149075), (1675, 39605), (2225, 29815), (5963, 11125), (7921, 8375)]