1177187890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{287821}}^1$

素因数の和:288237

約数の個数: 16

約数和(自身を含む): 2124126360

約数和(自身を除く): 946938470

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 287821, 575642, 1439105, 2878210, 117718789, 235437578, 588593945, 1177187890]

約数ペア:

[(1, 1177187890), (2, 588593945), (5, 235437578), (10, 117718789), (409, 2878210), (818, 1439105), (2045, 575642), (4090, 287821)]