68349428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{34381}}^1$

素因数の和:34463

約数の個数: 24

約数和(自身を含む): 138628224

約数和(自身を除く): 70278796

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 34381, 68762, 137524, 240667, 481334, 962668, 2441051, 4882102, 9764204, 17087357, 34174714, 68349428]

約数ペア:

[(1, 68349428), (2, 34174714), (4, 17087357), (7, 9764204), (14, 4882102), (28, 2441051), (71, 962668), (142, 481334), (284, 240667), (497, 137524), (994, 68762), (1988, 34381)]