779898985

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{503}}^1\times {\mathrm{859}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 990843840

約数和(自身を除く): 210944855

約数列:

[1, 5, 19, 95, 361, 503, 859, 1805, 2515, 4295, 9557, 16321, 47785, 81605, 181583, 310099, 432077, 907915, 1550495, 2160385, 8209463, 41047315, 155979797, 779898985]

約数ペア:

[(1, 779898985), (5, 155979797), (19, 41047315), (95, 8209463), (361, 2160385), (503, 1550495), (859, 907915), (1805, 432077), (2515, 310099), (4295, 181583), (9557, 81605), (16321, 47785)]