38990185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 53665920

約数和(自身を除く): 14675735

約数列:

[1, 5, 13, 19, 65, 95, 131, 241, 247, 655, 1205, 1235, 1703, 2489, 3133, 4579, 8515, 12445, 15665, 22895, 31571, 32357, 59527, 157855, 161785, 297635, 410423, 599849, 2052115, 2999245, 7798037, 38990185]

約数ペア:

[(1, 38990185), (5, 7798037), (13, 2999245), (19, 2052115), (65, 599849), (95, 410423), (131, 297635), (241, 161785), (247, 157855), (655, 59527), (1205, 32357), (1235, 31571), (1703, 22895), (2489, 15665), (3133, 12445), (4579, 8515)]