397459364

素因数分解:

$2^2\times {\mathrm{421}}^1\times {\mathrm{236021}}^1$

素因数の和:236446

約数の個数: 12

約数和(自身を含む): 697208988

約数和(自身を除く): 299749624

約数列:

[1, 2, 4, 421, 842, 1684, 236021, 472042, 944084, 99364841, 198729682, 397459364]

約数ペア:

[(1, 397459364), (2, 198729682), (4, 99364841), (421, 944084), (842, 472042), (1684, 236021)]