131889740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{387911}}^1$

素因数の和:387937

約数の個数: 24

約数和(自身を含む): 293261472

約数和(自身を除く): 161371732

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 387911, 775822, 1551644, 1939555, 3879110, 6594487, 7758220, 13188974, 26377948, 32972435, 65944870, 131889740]

約数ペア:

[(1, 131889740), (2, 65944870), (4, 32972435), (5, 26377948), (10, 13188974), (17, 7758220), (20, 6594487), (34, 3879110), (68, 1939555), (85, 1551644), (170, 775822), (340, 387911)]