388636404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2491259}}^1$

素因数の和:2491279

約数の個数: 24

約数和(自身を含む): 976573920

約数和(自身を除く): 587937516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2491259, 4982518, 7473777, 9965036, 14947554, 29895108, 32386367, 64772734, 97159101, 129545468, 194318202, 388636404]

約数ペア:

[(1, 388636404), (2, 194318202), (3, 129545468), (4, 97159101), (6, 64772734), (12, 32386367), (13, 29895108), (26, 14947554), (39, 9965036), (52, 7473777), (78, 4982518), (156, 2491259)]