28706904

素因数分解:

$2^3\times 3^2\times {\mathrm{577}}^1\times {\mathrm{691}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 77995320

約数和(自身を除く): 49288416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 577, 691, 1154, 1382, 1731, 2073, 2308, 2764, 3462, 4146, 4616, 5193, 5528, 6219, 6924, 8292, 10386, 12438, 13848, 16584, 20772, 24876, 41544, 49752, 398707, 797414, 1196121, 1594828, 2392242, 3189656, 3588363, 4784484, 7176726, 9568968, 14353452, 28706904]

約数ペア:

[(1, 28706904), (2, 14353452), (3, 9568968), (4, 7176726), (6, 4784484), (8, 3588363), (9, 3189656), (12, 2392242), (18, 1594828), (24, 1196121), (36, 797414), (72, 398707), (577, 49752), (691, 41544), (1154, 24876), (1382, 20772), (1731, 16584), (2073, 13848), (2308, 12438), (2764, 10386), (3462, 8292), (4146, 6924), (4616, 6219), (5193, 5528)]