15742925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 23569920

約数和(自身を除く): 7826995

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 131, 209, 253, 275, 437, 475, 575, 655, 1045, 1265, 1441, 2185, 2489, 3013, 3275, 4807, 5225, 6325, 7205, 10925, 12445, 15065, 24035, 27379, 33143, 36025, 57247, 62225, 75325, 120175, 136895, 165715, 286235, 629717, 684475, 828575, 1431175, 3148585, 15742925]

約数ペア:

[(1, 15742925), (5, 3148585), (11, 1431175), (19, 828575), (23, 684475), (25, 629717), (55, 286235), (95, 165715), (115, 136895), (131, 120175), (209, 75325), (253, 62225), (275, 57247), (437, 36025), (475, 33143), (575, 27379), (655, 24035), (1045, 15065), (1265, 12445), (1441, 10925), (2185, 7205), (2489, 6325), (3013, 5225), (3275, 4807)]