128540965

素因数分解:

$5^1\times 7^3\times {\mathrm{241}}^1\times {\mathrm{311}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 181209600

約数和(自身を除く): 52668635

約数列:

[1, 5, 7, 35, 49, 241, 245, 311, 343, 1205, 1555, 1687, 1715, 2177, 8435, 10885, 11809, 15239, 59045, 74951, 76195, 82663, 106673, 374755, 413315, 524657, 533365, 2623285, 3672599, 18362995, 25708193, 128540965]

約数ペア:

[(1, 128540965), (5, 25708193), (7, 18362995), (35, 3672599), (49, 2623285), (241, 533365), (245, 524657), (311, 413315), (343, 374755), (1205, 106673), (1555, 82663), (1687, 76195), (1715, 74951), (2177, 59045), (8435, 15239), (10885, 11809)]