139218985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1153}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 186117120

約数和(自身を除く): 46898135

約数列:

[1, 5, 19, 31, 41, 95, 155, 205, 589, 779, 1153, 1271, 2945, 3895, 5765, 6355, 21907, 24149, 35743, 47273, 109535, 120745, 178715, 236365, 679117, 898187, 1465463, 3395585, 4490935, 7327315, 27843797, 139218985]

約数ペア:

[(1, 139218985), (5, 27843797), (19, 7327315), (31, 4490935), (41, 3395585), (95, 1465463), (155, 898187), (205, 679117), (589, 236365), (779, 178715), (1153, 120745), (1271, 109535), (2945, 47273), (3895, 35743), (5765, 24149), (6355, 21907)]