78840376

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1531}}^1$

素因数の和:1735

約数の個数: 32

約数和(自身を含む): 152495280

約数和(自身を除く): 73654904

約数列:

[1, 2, 4, 8, 41, 82, 157, 164, 314, 328, 628, 1256, 1531, 3062, 6124, 6437, 12248, 12874, 25748, 51496, 62771, 125542, 240367, 251084, 480734, 502168, 961468, 1922936, 9855047, 19710094, 39420188, 78840376]

約数ペア:

[(1, 78840376), (2, 39420188), (4, 19710094), (8, 9855047), (41, 1922936), (82, 961468), (157, 502168), (164, 480734), (314, 251084), (328, 240367), (628, 125542), (1256, 62771), (1531, 51496), (3062, 25748), (6124, 12874), (6437, 12248)]