258512571

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 403902720

約数和(自身を除く): 145390149

約数列:

[1, 3, 9, 23, 59, 61, 69, 177, 183, 207, 347, 531, 549, 1041, 1357, 1403, 3123, 3599, 4071, 4209, 7981, 10797, 12213, 12627, 20473, 21167, 23943, 32391, 61419, 63501, 71829, 82777, 184257, 190503, 248331, 470879, 486841, 744993, 1248853, 1412637, 1460523, 3746559, 4237911, 4381569, 11239677, 28723619, 86170857, 258512571]

約数ペア:

[(1, 258512571), (3, 86170857), (9, 28723619), (23, 11239677), (59, 4381569), (61, 4237911), (69, 3746559), (177, 1460523), (183, 1412637), (207, 1248853), (347, 744993), (531, 486841), (549, 470879), (1041, 248331), (1357, 190503), (1403, 184257), (3123, 82777), (3599, 71829), (4071, 63501), (4209, 61419), (7981, 32391), (10797, 23943), (12213, 21167), (12627, 20473)]