678465712

素因数分解:

$2^4\times {\mathrm{1531}}^1\times {\mathrm{27697}}^1$

素因数の和:29236

約数の個数: 20

約数和(自身を含む): 1315433416

約数和(自身を除く): 636967704

約数列:

[1, 2, 4, 8, 16, 1531, 3062, 6124, 12248, 24496, 27697, 55394, 110788, 221576, 443152, 42404107, 84808214, 169616428, 339232856, 678465712]

約数ペア:

[(1, 678465712), (2, 339232856), (4, 169616428), (8, 84808214), (16, 42404107), (1531, 443152), (3062, 221576), (6124, 110788), (12248, 55394), (24496, 27697)]