78889768516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{116700841}}^1$

素因数の和:116700871

約数の個数: 18

約数和(自身を含む): 149493778602

約数和(自身を除く): 70604010086

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 116700841, 233401682, 466803364, 1517110933, 3034221866, 6068443732, 19722442129, 39444884258, 78889768516]

約数ペア:

[(1, 78889768516), (2, 39444884258), (4, 19722442129), (13, 6068443732), (26, 3034221866), (52, 1517110933), (169, 466803364), (338, 233401682), (676, 116700841)]