25108005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 43505280

約数和(自身を除く): 18397275

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 331, 389, 993, 1167, 1655, 1945, 4303, 4965, 5057, 5835, 12909, 15171, 21515, 25285, 64545, 75855, 128759, 386277, 643795, 1673867, 1931385, 5021601, 8369335, 25108005]

約数ペア:

[(1, 25108005), (3, 8369335), (5, 5021601), (13, 1931385), (15, 1673867), (39, 643795), (65, 386277), (195, 128759), (331, 75855), (389, 64545), (993, 25285), (1167, 21515), (1655, 15171), (1945, 12909), (4303, 5835), (4965, 5057)]