28175508

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{9907}}^1$

素因数の和:9996

約数の個数: 36

約数和(自身を含む): 72130240

約数和(自身を除く): 43954732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 9907, 19814, 29721, 39628, 59442, 89163, 118884, 178326, 356652, 782653, 1565306, 2347959, 3130612, 4695918, 7043877, 9391836, 14087754, 28175508]

約数ペア:

[(1, 28175508), (2, 14087754), (3, 9391836), (4, 7043877), (6, 4695918), (9, 3130612), (12, 2347959), (18, 1565306), (36, 782653), (79, 356652), (158, 178326), (237, 118884), (316, 89163), (474, 59442), (711, 39628), (948, 29721), (1422, 19814), (2844, 9907)]