128415170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{987809}}^1$

素因数の和:987829

約数の個数: 16

約数和(自身を含む): 248928120

約数和(自身を除く): 120512950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 987809, 1975618, 4939045, 9878090, 12841517, 25683034, 64207585, 128415170]

約数ペア:

[(1, 128415170), (2, 64207585), (5, 25683034), (10, 12841517), (13, 9878090), (26, 4939045), (65, 1975618), (130, 987809)]