64943428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{20219}}^1$

素因数の和:20307

約数の個数: 24

約数和(自身を含む): 125687520

約数和(自身を除く): 60744092

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 20219, 40438, 80876, 222409, 444818, 889636, 1475987, 2951974, 5903948, 16235857, 32471714, 64943428]

約数ペア:

[(1, 64943428), (2, 32471714), (4, 16235857), (11, 5903948), (22, 2951974), (44, 1475987), (73, 889636), (146, 444818), (292, 222409), (803, 80876), (1606, 40438), (3212, 20219)]