86474780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{617677}}^1$

素因数の和:617693

約数の個数: 24

約数和(自身を含む): 207539808

約数和(自身を除く): 121065028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 617677, 1235354, 2470708, 3088385, 4323739, 6176770, 8647478, 12353540, 17294956, 21618695, 43237390, 86474780]

約数ペア:

[(1, 86474780), (2, 43237390), (4, 21618695), (5, 17294956), (7, 12353540), (10, 8647478), (14, 6176770), (20, 4323739), (28, 3088385), (35, 2470708), (70, 1235354), (140, 617677)]