1991009.00000000

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1283}}^1$

素因数の和:1739

約数の個数: 24

約数和(自身を含む): 162143520

約数和(自身を除く): 71887036

約数列:

[1, 2, 4, 43, 86, 172, 409, 818, 1283, 1636, 2566, 5132, 17587, 35174, 55169, 70348, 110338, 220676, 524747, 1049494, 2098988, 22564121, 45128242, 90256484]

約数ペア:

[(1, 90256484), (2, 45128242), (4, 22564121), (43, 2098988), (86, 1049494), (172, 524747), (409, 220676), (818, 110338), (1283, 70348), (1636, 55169), (2566, 35174), (5132, 17587)]