138815495

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5171}}^1$

素因数の和:5255

約数の個数: 32

約数和(自身を含む): 208535040

約数和(自身を除く): 69719545

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 413, 455, 767, 2065, 3835, 5171, 5369, 25855, 26845, 36197, 67223, 180985, 305089, 336115, 470561, 1525445, 2135623, 2352805, 3966157, 10678115, 19830785, 27763099, 138815495]

約数ペア:

[(1, 138815495), (5, 27763099), (7, 19830785), (13, 10678115), (35, 3966157), (59, 2352805), (65, 2135623), (91, 1525445), (295, 470561), (413, 336115), (455, 305089), (767, 180985), (2065, 67223), (3835, 36197), (5171, 26845), (5369, 25855)]