397804895

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{43787}}^1$

素因数の和:43894

約数の個数: 16

約数和(自身を含む): 504437760

約数和(自身を除く): 106632865

約数列:

[1, 5, 23, 79, 115, 395, 1817, 9085, 43787, 218935, 1007101, 3459173, 5035505, 17295865, 79560979, 397804895]

約数ペア:

[(1, 397804895), (5, 79560979), (23, 17295865), (79, 5035505), (115, 3459173), (395, 1007101), (1817, 218935), (9085, 43787)]