28209804968

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{10163}}^1\times {\mathrm{8069}}^1$

素因数の和:18281

約数の個数: 32

約数和(自身を含む): 54135496800

約数和(自身を除く): 25925691832

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 8069, 10163, 16138, 20326, 32276, 40652, 64552, 81304, 346967, 437009, 693934, 874018, 1387868, 1748036, 2775736, 3496072, 82005247, 164010494, 328020988, 656041976, 3526225621, 7052451242, 14104902484, 28209804968]

約数ペア:

[(1, 28209804968), (2, 14104902484), (4, 7052451242), (8, 3526225621), (43, 656041976), (86, 328020988), (172, 164010494), (344, 82005247), (8069, 3496072), (10163, 2775736), (16138, 1748036), (20326, 1387868), (32276, 874018), (40652, 693934), (64552, 437009), (81304, 346967)]