2021938165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{32987}}^1$

素因数の和:33069

約数の個数: 32

約数和(自身を含む): 2793159936

約数和(自身を除く): 771221771

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 533, 943, 1495, 2665, 4715, 12259, 32987, 61295, 164935, 428831, 758701, 1352467, 2144155, 3793505, 6762335, 9863113, 17582071, 31106741, 49315565, 87910355, 155533705, 404387633, 2021938165]

約数ペア:

[(1, 2021938165), (5, 404387633), (13, 155533705), (23, 87910355), (41, 49315565), (65, 31106741), (115, 17582071), (205, 9863113), (299, 6762335), (533, 3793505), (943, 2144155), (1495, 1352467), (2665, 758701), (4715, 428831), (12259, 164935), (32987, 61295)]