425445979

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1907}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 515503440

約数和(自身を除く): 90057461

約数列:

[1, 7, 29, 49, 157, 203, 1099, 1421, 1907, 4553, 7693, 13349, 31871, 55303, 93443, 223097, 299399, 387121, 2095793, 2709847, 8682571, 14670551, 60777997, 425445979]

約数ペア:

[(1, 425445979), (7, 60777997), (29, 14670551), (49, 8682571), (157, 2709847), (203, 2095793), (1099, 387121), (1421, 299399), (1907, 223097), (4553, 93443), (7693, 55303), (13349, 31871)]