1991131630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11712539}}^1$

素因数の和:11712563

約数の個数: 16

約数和(自身を含む): 3794862960

約数和(自身を除く): 1803731330

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 11712539, 23425078, 58562695, 117125390, 199113163, 398226326, 995565815, 1991131630]

約数ペア:

[(1, 1991131630), (2, 995565815), (5, 398226326), (10, 199113163), (17, 117125390), (34, 58562695), (85, 23425078), (170, 11712539)]