72540688

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{643}}^1$

素因数の和:1303

約数の個数: 40

約数和(自身を含む): 153802656

約数和(自身を除く): 81261968

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 641, 643, 1282, 1286, 2564, 2572, 5128, 5144, 7051, 7073, 10256, 10288, 14102, 14146, 28204, 28292, 56408, 56584, 112816, 113168, 412163, 824326, 1648652, 3297304, 4533793, 6594608, 9067586, 18135172, 36270344, 72540688]

約数ペア:

[(1, 72540688), (2, 36270344), (4, 18135172), (8, 9067586), (11, 6594608), (16, 4533793), (22, 3297304), (44, 1648652), (88, 824326), (176, 412163), (641, 113168), (643, 112816), (1282, 56584), (1286, 56408), (2564, 28292), (2572, 28204), (5128, 14146), (5144, 14102), (7051, 10288), (7073, 10256)]