68013968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{601}}^1\times {\mathrm{643}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 144219936

約数和(自身を除く): 76205968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 601, 643, 1202, 1286, 2404, 2572, 4808, 5144, 6611, 7073, 9616, 10288, 13222, 14146, 26444, 28292, 52888, 56584, 105776, 113168, 386443, 772886, 1545772, 3091544, 4250873, 6183088, 8501746, 17003492, 34006984, 68013968]

約数ペア:

[(1, 68013968), (2, 34006984), (4, 17003492), (8, 8501746), (11, 6183088), (16, 4250873), (22, 3091544), (44, 1545772), (88, 772886), (176, 386443), (601, 113168), (643, 105776), (1202, 56584), (1286, 52888), (2404, 28292), (2572, 26444), (4808, 14146), (5144, 13222), (6611, 10288), (7073, 9616)]