258959337

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 451067904

約数和(自身を除く): 192108567

約数列:

[1, 3, 7, 13, 21, 31, 37, 39, 91, 93, 111, 217, 259, 273, 403, 481, 651, 777, 827, 1147, 1209, 1443, 2481, 2821, 3367, 3441, 5789, 8029, 8463, 10101, 10751, 14911, 17367, 24087, 25637, 30599, 32253, 44733, 75257, 76911, 91797, 104377, 179459, 214193, 225771, 313131, 333281, 397787, 538377, 642579, 948569, 999843, 1193361, 2332967, 2784509, 2845707, 6639983, 6998901, 8353527, 12331397, 19919949, 36994191, 86319779, 258959337]

約数ペア:

[(1, 258959337), (3, 86319779), (7, 36994191), (13, 19919949), (21, 12331397), (31, 8353527), (37, 6998901), (39, 6639983), (91, 2845707), (93, 2784509), (111, 2332967), (217, 1193361), (259, 999843), (273, 948569), (403, 642579), (481, 538377), (651, 397787), (777, 333281), (827, 313131), (1147, 225771), (1209, 214193), (1443, 179459), (2481, 104377), (2821, 91797), (3367, 76911), (3441, 75257), (5789, 44733), (8029, 32253), (8463, 30599), (10101, 25637), (10751, 24087), (14911, 17367)]