99719875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{281}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 133031808

約数和(自身を除く): 33311933

約数列:

[1, 5, 17, 25, 85, 125, 167, 281, 425, 835, 1405, 2125, 2839, 4175, 4777, 7025, 14195, 20875, 23885, 35125, 46927, 70975, 119425, 234635, 354875, 597125, 797759, 1173175, 3988795, 5865875, 19943975, 99719875]

約数ペア:

[(1, 99719875), (5, 19943975), (17, 5865875), (25, 3988795), (85, 1173175), (125, 797759), (167, 597125), (281, 354875), (425, 234635), (835, 119425), (1405, 70975), (2125, 46927), (2839, 35125), (4175, 23885), (4777, 20875), (7025, 14195)]