257588512

素因数分解:

$2^5\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:641

約数の個数: 48

約数和(自身を含む): 515192832

約数和(自身を除く): 257604320

約数列:

[1, 2, 4, 8, 16, 32, 127, 241, 254, 263, 482, 508, 526, 964, 1016, 1052, 1928, 2032, 2104, 3856, 4064, 4208, 7712, 8416, 30607, 33401, 61214, 63383, 66802, 122428, 126766, 133604, 244856, 253532, 267208, 489712, 507064, 534416, 979424, 1014128, 1068832, 2028256, 8049641, 16099282, 32198564, 64397128, 128794256, 257588512]

約数ペア:

[(1, 257588512), (2, 128794256), (4, 64397128), (8, 32198564), (16, 16099282), (32, 8049641), (127, 2028256), (241, 1068832), (254, 1014128), (263, 979424), (482, 534416), (508, 507064), (526, 489712), (964, 267208), (1016, 253532), (1052, 244856), (1928, 133604), (2032, 126766), (2104, 122428), (3856, 66802), (4064, 63383), (4208, 61214), (7712, 33401), (8416, 30607)]