220176145

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{367}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 308837376

約数和(自身を除く): 88661231

約数列:

[1, 5, 7, 35, 61, 281, 305, 367, 427, 1405, 1835, 1967, 2135, 2569, 9835, 12845, 17141, 22387, 85705, 103127, 111935, 119987, 156709, 515635, 599935, 721889, 783545, 3609445, 6290747, 31453735, 44035229, 220176145]

約数ペア:

[(1, 220176145), (5, 44035229), (7, 31453735), (35, 6290747), (61, 3609445), (281, 783545), (305, 721889), (367, 599935), (427, 515635), (1405, 156709), (1835, 119987), (1967, 111935), (2135, 103127), (2569, 85705), (9835, 22387), (12845, 17141)]