128386895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14851}}^1$

素因数の和:14895

約数の個数: 32

約数和(自身を含む): 199610880

約数和(自身を除く): 71223985

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 14851, 74255, 103957, 193063, 282169, 519785, 965315, 1351441, 1410845, 1975183, 3668197, 6757205, 9875915, 18340985, 25677379, 128386895]

約数ペア:

[(1, 128386895), (5, 25677379), (7, 18340985), (13, 9875915), (19, 6757205), (35, 3668197), (65, 1975183), (91, 1410845), (95, 1351441), (133, 965315), (247, 519785), (455, 282169), (665, 193063), (1235, 103957), (1729, 74255), (8645, 14851)]