397789646

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{201107}}^1$

素因数の和:201175

約数の個数: 16

約数和(自身を含む): 637110144

約数和(自身を除く): 239320498

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 201107, 402214, 4625461, 8647601, 9250922, 17295202, 198894823, 397789646]

約数ペア:

[(1, 397789646), (2, 198894823), (23, 17295202), (43, 9250922), (46, 8647601), (86, 4625461), (989, 402214), (1978, 201107)]