25173178

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 16114502

約数列:

[1, 2, 23, 31, 46, 62, 127, 139, 254, 278, 713, 1426, 2921, 3197, 3937, 4309, 5842, 6394, 7874, 8618, 17653, 35306, 90551, 99107, 181102, 198214, 406019, 547243, 812038, 1094486, 12586589, 25173178]

約数ペア:

[(1, 25173178), (2, 12586589), (23, 1094486), (31, 812038), (46, 547243), (62, 406019), (127, 198214), (139, 181102), (254, 99107), (278, 90551), (713, 35306), (1426, 17653), (2921, 8618), (3197, 7874), (3937, 6394), (4309, 5842)]