55857815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1527

約数の個数: 32

約数和(自身を含む): 78489600

約数和(自身を除く): 22631785

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 1459, 2015, 2945, 7295, 7657, 18967, 27721, 38285, 45229, 94835, 138605, 226145, 360373, 587977, 859351, 1801865, 2939885, 4296755, 11171563, 55857815]

約数ペア:

[(1, 55857815), (5, 11171563), (13, 4296755), (19, 2939885), (31, 1801865), (65, 859351), (95, 587977), (155, 360373), (247, 226145), (403, 138605), (589, 94835), (1235, 45229), (1459, 38285), (2015, 27721), (2945, 18967), (7295, 7657)]