78638724

素因数分解:

$2^2\times 3^2\times {\mathrm{2184409}}^1$

素因数の和:2184419

約数の個数: 18

約数和(自身を含む): 198781310

約数和(自身を除く): 120142586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2184409, 4368818, 6553227, 8737636, 13106454, 19659681, 26212908, 39319362, 78638724]

約数ペア:

[(1, 78638724), (2, 39319362), (3, 26212908), (4, 19659681), (6, 13106454), (9, 8737636), (12, 6553227), (18, 4368818), (36, 2184409)]