251285508

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{131701}}^1$

素因数の和:131764

約数の個数: 36

約数和(自身を含む): 647183628

約数和(自身を除く): 395898120

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 131701, 263402, 395103, 526804, 790206, 1185309, 1580412, 2370618, 4741236, 6980153, 13960306, 20940459, 27920612, 41880918, 62821377, 83761836, 125642754, 251285508]

約数ペア:

[(1, 251285508), (2, 125642754), (3, 83761836), (4, 62821377), (6, 41880918), (9, 27920612), (12, 20940459), (18, 13960306), (36, 6980153), (53, 4741236), (106, 2370618), (159, 1580412), (212, 1185309), (318, 790206), (477, 526804), (636, 395103), (954, 263402), (1908, 131701)]