28218438

素因数分解:

$2^1\times 3^2\times {\mathrm{137}}^1\times {\mathrm{11443}}^1$

素因数の和:11588

約数の個数: 24

約数和(自身を含む): 61591608

約数和(自身を除く): 33373170

約数列:

[1, 2, 3, 6, 9, 18, 137, 274, 411, 822, 1233, 2466, 11443, 22886, 34329, 68658, 102987, 205974, 1567691, 3135382, 4703073, 9406146, 14109219, 28218438]

約数ペア:

[(1, 28218438), (2, 14109219), (3, 9406146), (6, 4703073), (9, 3135382), (18, 1567691), (137, 205974), (274, 102987), (411, 68658), (822, 34329), (1233, 22886), (2466, 11443)]