391678052

素因数分解:

$2^2\times {\mathrm{503}}^1\times {\mathrm{194671}}^1$

素因数の和:195178

約数の個数: 12

約数和(自身を含む): 686802816

約数和(自身を除く): 295124764

約数列:

[1, 2, 4, 503, 1006, 2012, 194671, 389342, 778684, 97919513, 195839026, 391678052]

約数ペア:

[(1, 391678052), (2, 195839026), (4, 97919513), (503, 778684), (1006, 389342), (2012, 194671)]