9999425

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 12915840

約数和(自身を除く): 2916415

約数列:

[1, 5, 25, 61, 79, 83, 305, 395, 415, 1525, 1975, 2075, 4819, 5063, 6557, 24095, 25315, 32785, 120475, 126575, 163925, 399977, 1999885, 9999425]

約数ペア:

[(1, 9999425), (5, 1999885), (25, 399977), (61, 163925), (79, 126575), (83, 120475), (305, 32785), (395, 25315), (415, 24095), (1525, 6557), (1975, 5063), (2075, 4819)]