388862885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{409}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 495936000

約数和(自身を除く): 107073115

約数列:

[1, 5, 29, 79, 83, 145, 395, 409, 415, 2045, 2291, 2407, 6557, 11455, 11861, 12035, 32311, 32785, 33947, 59305, 161555, 169735, 190153, 937019, 950765, 984463, 2681813, 4685095, 4922315, 13409065, 77772577, 388862885]

約数ペア:

[(1, 388862885), (5, 77772577), (29, 13409065), (79, 4922315), (83, 4685095), (145, 2681813), (395, 984463), (409, 950765), (415, 937019), (2045, 190153), (2291, 169735), (2407, 161555), (6557, 59305), (11455, 33947), (11861, 32785), (12035, 32311)]