16981998

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3352

約数の個数: 32

約数和(自身を含む): 37532160

約数和(自身を除く): 20550162

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 79, 158, 237, 474, 869, 1738, 2607, 3257, 5214, 6514, 9771, 19542, 35827, 71654, 107481, 214962, 257303, 514606, 771909, 1543818, 2830333, 5660666, 8490999, 16981998]

約数ペア:

[(1, 16981998), (2, 8490999), (3, 5660666), (6, 2830333), (11, 1543818), (22, 771909), (33, 514606), (66, 257303), (79, 214962), (158, 107481), (237, 71654), (474, 35827), (869, 19542), (1738, 9771), (2607, 6514), (3257, 5214)]