429650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:686

約数の個数: 24

約数和(自身を含む): 861924

約数和(自身を除く): 432274

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 661, 1322, 3305, 6610, 8593, 16525, 17186, 33050, 42965, 85930, 214825, 429650]

約数ペア:

[(1, 429650), (2, 214825), (5, 85930), (10, 42965), (13, 33050), (25, 17186), (26, 16525), (50, 8593), (65, 6610), (130, 3305), (325, 1322), (650, 661)]