1891001590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4612199}}^1$

素因数の和:4612247

約数の個数: 16

約数和(自身を含む): 3486823200

約数和(自身を除く): 1595821610

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 4612199, 9224398, 23060995, 46121990, 189100159, 378200318, 945500795, 1891001590]

約数ペア:

[(1, 1891001590), (2, 945500795), (5, 378200318), (10, 189100159), (41, 46121990), (82, 23060995), (205, 9224398), (410, 4612199)]