4491487

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 6147792

約数和(自身を除く): 1656305

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 641, 1001, 4487, 7007, 7051, 8333, 31409, 49357, 58331, 91663, 345499, 408317, 641641, 4491487]

約数ペア:

[(1, 4491487), (7, 641641), (11, 408317), (13, 345499), (49, 91663), (77, 58331), (91, 49357), (143, 31409), (539, 8333), (637, 7051), (641, 7007), (1001, 4487)]