645928223

素因数分解:

${\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1\times {\mathrm{1609}}^1$

素因数の和:1874

約数の個数: 16

約数和(自身を含む): 680064000

約数和(自身を除く): 34135777

約数列:

[1, 29, 109, 127, 1609, 3161, 3683, 13843, 46661, 175381, 204343, 401447, 5086049, 5925947, 22273387, 645928223]

約数ペア:

[(1, 645928223), (29, 22273387), (109, 5925947), (127, 5086049), (1609, 401447), (3161, 204343), (3683, 175381), (13843, 46661)]