11991410

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 22429440

約数和(自身を除く): 10438030

約数列:

[1, 2, 5, 10, 43, 79, 86, 158, 215, 353, 395, 430, 706, 790, 1765, 3397, 3530, 6794, 15179, 16985, 27887, 30358, 33970, 55774, 75895, 139435, 151790, 278870, 1199141, 2398282, 5995705, 11991410]

約数ペア:

[(1, 11991410), (2, 5995705), (5, 2398282), (10, 1199141), (43, 278870), (79, 151790), (86, 139435), (158, 75895), (215, 55774), (353, 33970), (395, 30358), (430, 27887), (706, 16985), (790, 15179), (1765, 6794), (3397, 3530)]