78787475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1627}}^1$

素因数の和:1799

約数の個数: 24

約数和(自身を含む): 105982800

約数和(自身を除く): 27195325

約数列:

[1, 5, 13, 25, 65, 149, 325, 745, 1627, 1937, 3725, 8135, 9685, 21151, 40675, 48425, 105755, 242423, 528775, 1212115, 3151499, 6060575, 15757495, 78787475]

約数ペア:

[(1, 78787475), (5, 15757495), (13, 6060575), (25, 3151499), (65, 1212115), (149, 528775), (325, 242423), (745, 105755), (1627, 48425), (1937, 40675), (3725, 21151), (8135, 9685)]