25757559

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 41733120

約数和(自身を除く): 15975561

約数列:

[1, 3, 9, 19, 31, 43, 57, 93, 113, 129, 171, 279, 339, 387, 589, 817, 1017, 1333, 1767, 2147, 2451, 3503, 3999, 4859, 5301, 6441, 7353, 10509, 11997, 14577, 19323, 25327, 31527, 43731, 66557, 75981, 92321, 150629, 199671, 227943, 276963, 451887, 599013, 830889, 1355661, 2861951, 8585853, 25757559]

約数ペア:

[(1, 25757559), (3, 8585853), (9, 2861951), (19, 1355661), (31, 830889), (43, 599013), (57, 451887), (93, 276963), (113, 227943), (129, 199671), (171, 150629), (279, 92321), (339, 75981), (387, 66557), (589, 43731), (817, 31527), (1017, 25327), (1333, 19323), (1767, 14577), (2147, 11997), (2451, 10509), (3503, 7353), (3999, 6441), (4859, 5301)]