388629566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{719}}^1\times {\mathrm{20789}}^1$

素因数の和:21523

約数の個数: 16

約数和(自身を含む): 628689600

約数和(自身を除く): 240060034

約数列:

[1, 2, 13, 26, 719, 1438, 9347, 18694, 20789, 41578, 270257, 540514, 14947291, 29894582, 194314783, 388629566]

約数ペア:

[(1, 388629566), (2, 194314783), (13, 29894582), (26, 14947291), (719, 540514), (1438, 270257), (9347, 41578), (18694, 20789)]