209442558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{21143}}^1$

素因数の和:21288

約数の個数: 32

約数和(自身を含む): 454680576

約数和(自身を除く): 245238018

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 254, 381, 762, 1651, 3302, 4953, 9906, 21143, 42286, 63429, 126858, 274859, 549718, 824577, 1649154, 2685161, 5370322, 8055483, 16110966, 34907093, 69814186, 104721279, 209442558]

約数ペア:

[(1, 209442558), (2, 104721279), (3, 69814186), (6, 34907093), (13, 16110966), (26, 8055483), (39, 5370322), (78, 2685161), (127, 1649154), (254, 824577), (381, 549718), (762, 274859), (1651, 126858), (3302, 63429), (4953, 42286), (9906, 21143)]