253494865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2593

約数の個数: 32

約数和(自身を含む): 349130880

約数和(自身を除く): 95636015

約数列:

[1, 5, 13, 19, 65, 83, 95, 247, 415, 1079, 1235, 1577, 2473, 5395, 7885, 12365, 20501, 32149, 46987, 102505, 160745, 205259, 234935, 610831, 1026295, 2668367, 3054155, 3899921, 13341835, 19499605, 50698973, 253494865]

約数ペア:

[(1, 253494865), (5, 50698973), (13, 19499605), (19, 13341835), (65, 3899921), (83, 3054155), (95, 2668367), (247, 1026295), (415, 610831), (1079, 234935), (1235, 205259), (1577, 160745), (2473, 102505), (5395, 46987), (7885, 32149), (12365, 20501)]