68879504

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{30971}}^1$

素因数の和:31118

約数の個数: 20

約数和(自身を含む): 134418480

約数和(自身を除く): 65538976

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 30971, 61942, 123884, 247768, 495536, 4304969, 8609938, 17219876, 34439752, 68879504]

約数ペア:

[(1, 68879504), (2, 34439752), (4, 17219876), (8, 8609938), (16, 4304969), (139, 495536), (278, 247768), (556, 123884), (1112, 61942), (2224, 30971)]