81490001

素因数分解:

${\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 85612800

約数和(自身を除く): 4122799

約数列:

[1, 41, 79, 139, 181, 3239, 5699, 7421, 10981, 14299, 25159, 450221, 586259, 1031519, 1987561, 81490001]

約数ペア:

[(1, 81490001), (41, 1987561), (79, 1031519), (139, 586259), (181, 450221), (3239, 25159), (5699, 14299), (7421, 10981)]