13907525

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:138

約数の個数: 36

約数和(自身を含む): 19275552

約数和(自身を除く): 5368027

約数列:

[1, 5, 19, 23, 25, 67, 95, 115, 335, 361, 437, 475, 575, 1273, 1541, 1675, 1805, 2185, 6365, 7705, 8303, 9025, 10925, 24187, 29279, 31825, 38525, 41515, 120935, 146395, 207575, 556301, 604675, 731975, 2781505, 13907525]

約数ペア:

[(1, 13907525), (5, 2781505), (19, 731975), (23, 604675), (25, 556301), (67, 207575), (95, 146395), (115, 120935), (335, 41515), (361, 38525), (437, 31825), (475, 29279), (575, 24187), (1273, 10925), (1541, 9025), (1675, 8303), (1805, 7705), (2185, 6365)]