638268290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1831}}^1\times {\mathrm{3169}}^1$

素因数の和:5018

約数の個数: 32

約数和(自身を含む): 1254407040

約数和(自身を除く): 616138750

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1831, 3169, 3662, 6338, 9155, 15845, 18310, 20141, 31690, 34859, 40282, 69718, 100705, 174295, 201410, 348590, 5802439, 11604878, 29012195, 58024390, 63826829, 127653658, 319134145, 638268290]

約数ペア:

[(1, 638268290), (2, 319134145), (5, 127653658), (10, 63826829), (11, 58024390), (22, 29012195), (55, 11604878), (110, 5802439), (1831, 348590), (3169, 201410), (3662, 174295), (6338, 100705), (9155, 69718), (15845, 40282), (18310, 34859), (20141, 31690)]