67874849

素因数分解:

$7^2\times {\mathrm{641}}^1\times {\mathrm{2161}}^1$

素因数の和:2816

約数の個数: 12

約数和(自身を含む): 79116228

約数和(自身を除く): 11241379

約数列:

[1, 7, 49, 641, 2161, 4487, 15127, 31409, 105889, 1385201, 9696407, 67874849]

約数ペア:

[(1, 67874849), (7, 9696407), (49, 1385201), (641, 105889), (2161, 31409), (4487, 15127)]