28566412

素因数分解:

$2^2\times 7^3\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 59673600

約数和(自身を除く): 31107188

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 343, 443, 658, 686, 886, 1316, 1372, 1772, 2303, 3101, 4606, 6202, 9212, 12404, 16121, 20821, 21707, 32242, 41642, 43414, 64484, 83284, 86828, 145747, 151949, 291494, 303898, 582988, 607796, 1020229, 2040458, 4080916, 7141603, 14283206, 28566412]

約数ペア:

[(1, 28566412), (2, 14283206), (4, 7141603), (7, 4080916), (14, 2040458), (28, 1020229), (47, 607796), (49, 582988), (94, 303898), (98, 291494), (188, 151949), (196, 145747), (329, 86828), (343, 83284), (443, 64484), (658, 43414), (686, 41642), (886, 32242), (1316, 21707), (1372, 20821), (1772, 16121), (2303, 12404), (3101, 9212), (4606, 6202)]