66781652

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{7669}}^1$

素因数の和:7991

約数の個数: 24

約数和(自身を含む): 134010240

約数和(自身を除く): 67228588

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2177, 4354, 7669, 8708, 15338, 30676, 53683, 107366, 214732, 2385059, 4770118, 9540236, 16695413, 33390826, 66781652]

約数ペア:

[(1, 66781652), (2, 33390826), (4, 16695413), (7, 9540236), (14, 4770118), (28, 2385059), (311, 214732), (622, 107366), (1244, 53683), (2177, 30676), (4354, 15338), (7669, 8708)]