397496644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{121633}}^1$

素因数の和:121699

約数の個数: 24

約数和(自身を含む): 749265440

約数和(自身を除く): 351768796

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 121633, 243266, 486532, 2311027, 4622054, 5230219, 9244108, 10460438, 20920876, 99374161, 198748322, 397496644]

約数ペア:

[(1, 397496644), (2, 198748322), (4, 99374161), (19, 20920876), (38, 10460438), (43, 9244108), (76, 5230219), (86, 4622054), (172, 2311027), (817, 486532), (1634, 243266), (3268, 121633)]