27978790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2647}}^1$

素因数の和:2812

約数の個数: 32

約数和(自身を含む): 57959424

約数和(自身を除く): 29980634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 151, 302, 755, 1057, 1510, 2114, 2647, 5285, 5294, 10570, 13235, 18529, 26470, 37058, 92645, 185290, 399697, 799394, 1998485, 2797879, 3996970, 5595758, 13989395, 27978790]

約数ペア:

[(1, 27978790), (2, 13989395), (5, 5595758), (7, 3996970), (10, 2797879), (14, 1998485), (35, 799394), (70, 399697), (151, 185290), (302, 92645), (755, 37058), (1057, 26470), (1510, 18529), (2114, 13235), (2647, 10570), (5285, 5294)]