281421633025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37648379}}^1$

素因数の和:37648425

約数の個数: 24

約数和(自身を含む): 392145526080

約数和(自身を除く): 110723893055

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 7475, 37648379, 188241895, 489428927, 865912717, 941209475, 2447144635, 4329563585, 11256865321, 12235723175, 21647817925, 56284326605, 281421633025]

約数ペア:

[(1, 281421633025), (5, 56284326605), (13, 21647817925), (23, 12235723175), (25, 11256865321), (65, 4329563585), (115, 2447144635), (299, 941209475), (325, 865912717), (575, 489428927), (1495, 188241895), (7475, 37648379)]