256218968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{60773}}^1$

素因数の和:60827

約数の個数: 32

約数和(自身を含む): 525087360

約数和(自身を除く): 268868392

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 60773, 121546, 243092, 486184, 1033141, 1883963, 2066282, 3767926, 4132564, 7535852, 8265128, 15071704, 32027371, 64054742, 128109484, 256218968]

約数ペア:

[(1, 256218968), (2, 128109484), (4, 64054742), (8, 32027371), (17, 15071704), (31, 8265128), (34, 7535852), (62, 4132564), (68, 3767926), (124, 2066282), (136, 1883963), (248, 1033141), (527, 486184), (1054, 243092), (2108, 121546), (4216, 60773)]