15640638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{839}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 18228162

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239, 478, 717, 839, 1434, 1678, 2517, 3107, 5034, 6214, 9321, 10907, 18642, 21814, 32721, 65442, 200521, 401042, 601563, 1203126, 2606773, 5213546, 7820319, 15640638]

約数ペア:

[(1, 15640638), (2, 7820319), (3, 5213546), (6, 2606773), (13, 1203126), (26, 601563), (39, 401042), (78, 200521), (239, 65442), (478, 32721), (717, 21814), (839, 18642), (1434, 10907), (1678, 9321), (2517, 6214), (3107, 5034)]