78422128

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{31219}}^1$

素因数の和:31384

約数の個数: 20

約数和(自身を含む): 152915560

約数和(自身を除く): 74493432

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 31219, 62438, 124876, 249752, 499504, 4901383, 9802766, 19605532, 39211064, 78422128]

約数ペア:

[(1, 78422128), (2, 39211064), (4, 19605532), (8, 9802766), (16, 4901383), (157, 499504), (314, 249752), (628, 124876), (1256, 62438), (2512, 31219)]