201557590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1550443}}^1$

素因数の和:1550463

約数の個数: 16

約数和(自身を含む): 390711888

約数和(自身を除く): 189154298

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1550443, 3100886, 7752215, 15504430, 20155759, 40311518, 100778795, 201557590]

約数ペア:

[(1, 201557590), (2, 100778795), (5, 40311518), (10, 20155759), (13, 15504430), (26, 7752215), (65, 3100886), (130, 1550443)]