2758288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 40

約数和(自身を含む): 5859000

約数和(自身を除く): 3100712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 149, 178, 208, 298, 356, 596, 712, 1157, 1192, 1424, 1937, 2314, 2384, 3874, 4628, 7748, 9256, 13261, 15496, 18512, 26522, 30992, 53044, 106088, 172393, 212176, 344786, 689572, 1379144, 2758288]

約数ペア:

[(1, 2758288), (2, 1379144), (4, 689572), (8, 344786), (13, 212176), (16, 172393), (26, 106088), (52, 53044), (89, 30992), (104, 26522), (149, 18512), (178, 15496), (208, 13261), (298, 9256), (356, 7748), (596, 4628), (712, 3874), (1157, 2384), (1192, 2314), (1424, 1937)]