213223970

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{1409}}^1$

素因数の和:1862

約数の個数: 32

約数和(自身を含む): 395420400

約数和(自身を除く): 182196430

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 409, 818, 1409, 2045, 2818, 4090, 7045, 14090, 15133, 30266, 52133, 75665, 104266, 151330, 260665, 521330, 576281, 1152562, 2881405, 5762810, 21322397, 42644794, 106611985, 213223970]

約数ペア:

[(1, 213223970), (2, 106611985), (5, 42644794), (10, 21322397), (37, 5762810), (74, 2881405), (185, 1152562), (370, 576281), (409, 521330), (818, 260665), (1409, 151330), (2045, 104266), (2818, 75665), (4090, 52133), (7045, 30266), (14090, 15133)]