81172016

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{11299}}^1$

素因数の和:11756

約数の個数: 20

約数和(自身を含む): 157635000

約数和(自身を除く): 76462984

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 11299, 22598, 45196, 90392, 180784, 5073251, 10146502, 20293004, 40586008, 81172016]

約数ペア:

[(1, 81172016), (2, 40586008), (4, 20293004), (8, 10146502), (16, 5073251), (449, 180784), (898, 90392), (1796, 45196), (3592, 22598), (7184, 11299)]