78990716

素因数分解:

$2^2\times 7^1\times {\mathrm{2821097}}^1$

素因数の和:2821108

約数の個数: 12

約数和(自身を含む): 157981488

約数和(自身を除く): 78990772

約数列:

[1, 2, 4, 7, 14, 28, 2821097, 5642194, 11284388, 19747679, 39495358, 78990716]

約数ペア:

[(1, 78990716), (2, 39495358), (4, 19747679), (7, 11284388), (14, 5642194), (28, 2821097)]