78777712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{378739}}^1$

素因数の和:378760

約数の個数: 20

約数和(自身を含む): 164373160

約数和(自身を除く): 85595448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378739, 757478, 1514956, 3029912, 4923607, 6059824, 9847214, 19694428, 39388856, 78777712]

約数ペア:

[(1, 78777712), (2, 39388856), (4, 19694428), (8, 9847214), (13, 6059824), (16, 4923607), (26, 3029912), (52, 1514956), (104, 757478), (208, 378739)]