28118628

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{9887}}^1$

素因数の和:9976

約数の個数: 36

約数和(自身を含む): 71984640

約数和(自身を除く): 43866012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 9887, 19774, 29661, 39548, 59322, 88983, 118644, 177966, 355932, 781073, 1562146, 2343219, 3124292, 4686438, 7029657, 9372876, 14059314, 28118628]

約数ペア:

[(1, 28118628), (2, 14059314), (3, 9372876), (4, 7029657), (6, 4686438), (9, 3124292), (12, 2343219), (18, 1562146), (36, 781073), (79, 355932), (158, 177966), (237, 118644), (316, 88983), (474, 59322), (711, 39548), (948, 29661), (1422, 19774), (2844, 9887)]