81603184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{1069}}^1$

素因数の和:1457

約数の個数: 40

約数和(自身を含む): 170891840

約数和(自身を除く): 89288656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 367, 734, 1069, 1468, 2138, 2936, 4276, 4771, 5872, 8552, 9542, 13897, 17104, 19084, 27794, 38168, 55588, 76336, 111176, 222352, 392323, 784646, 1569292, 3138584, 5100199, 6277168, 10200398, 20400796, 40801592, 81603184]

約数ペア:

[(1, 81603184), (2, 40801592), (4, 20400796), (8, 10200398), (13, 6277168), (16, 5100199), (26, 3138584), (52, 1569292), (104, 784646), (208, 392323), (367, 222352), (734, 111176), (1069, 76336), (1468, 55588), (2138, 38168), (2936, 27794), (4276, 19084), (4771, 17104), (5872, 13897), (8552, 9542)]