1991173828

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{900169}}^1$

素因数の和:900259

約数の個数: 24

約数和(自身を含む): 4032761600

約数和(自身を除く): 2041587772

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 900169, 1800338, 3600676, 6301183, 12602366, 25204732, 71113351, 142226702, 284453404, 497793457, 995586914, 1991173828]

約数ペア:

[(1, 1991173828), (2, 995586914), (4, 497793457), (7, 284453404), (14, 142226702), (28, 71113351), (79, 25204732), (158, 12602366), (316, 6301183), (553, 3600676), (1106, 1800338), (2212, 900169)]