256747264

素因数分解:

$2^8\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 529804800

約数和(自身を除く): 273057536

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 127, 128, 149, 212, 254, 256, 298, 424, 508, 596, 848, 1016, 1192, 1696, 2032, 2384, 3392, 4064, 4768, 6731, 6784, 7897, 8128, 9536, 13462, 13568, 15794, 16256, 18923, 19072, 26924, 31588, 32512, 37846, 38144, 53848, 63176, 75692, 107696, 126352, 151384, 215392, 252704, 302768, 430784, 505408, 605536, 861568, 1002919, 1010816, 1211072, 1723136, 2005838, 2021632, 2422144, 4011676, 4844288, 8023352, 16046704, 32093408, 64186816, 128373632, 256747264]

約数ペア:

[(1, 256747264), (2, 128373632), (4, 64186816), (8, 32093408), (16, 16046704), (32, 8023352), (53, 4844288), (64, 4011676), (106, 2422144), (127, 2021632), (128, 2005838), (149, 1723136), (212, 1211072), (254, 1010816), (256, 1002919), (298, 861568), (424, 605536), (508, 505408), (596, 430784), (848, 302768), (1016, 252704), (1192, 215392), (1696, 151384), (2032, 126352), (2384, 107696), (3392, 75692), (4064, 63176), (4768, 53848), (6731, 38144), (6784, 37846), (7897, 32512), (8128, 31588), (9536, 26924), (13462, 19072), (13568, 18923), (15794, 16256)]