84419725

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 119523600

約数和(自身を除く): 35103875

約数列:

[1, 5, 13, 25, 29, 53, 65, 145, 169, 265, 325, 377, 689, 725, 845, 1325, 1537, 1885, 2197, 3445, 4225, 4901, 7685, 8957, 9425, 10985, 17225, 19981, 24505, 38425, 44785, 54925, 63713, 99905, 116441, 122525, 223925, 259753, 318565, 499525, 582205, 1298765, 1592825, 2911025, 3376789, 6493825, 16883945, 84419725]

約数ペア:

[(1, 84419725), (5, 16883945), (13, 6493825), (25, 3376789), (29, 2911025), (53, 1592825), (65, 1298765), (145, 582205), (169, 499525), (265, 318565), (325, 259753), (377, 223925), (689, 122525), (725, 116441), (845, 99905), (1325, 63713), (1537, 54925), (1885, 44785), (2197, 38425), (3445, 24505), (4225, 19981), (4901, 17225), (7685, 10985), (8957, 9425)]