81657952

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 164892672

約数和(自身を除く): 83234720

約数列:

[1, 2, 4, 8, 16, 32, 71, 127, 142, 254, 283, 284, 508, 566, 568, 1016, 1132, 1136, 2032, 2264, 2272, 4064, 4528, 9017, 9056, 18034, 20093, 35941, 36068, 40186, 71882, 72136, 80372, 143764, 144272, 160744, 287528, 288544, 321488, 575056, 642976, 1150112, 2551811, 5103622, 10207244, 20414488, 40828976, 81657952]

約数ペア:

[(1, 81657952), (2, 40828976), (4, 20414488), (8, 10207244), (16, 5103622), (32, 2551811), (71, 1150112), (127, 642976), (142, 575056), (254, 321488), (283, 288544), (284, 287528), (508, 160744), (566, 144272), (568, 143764), (1016, 80372), (1132, 72136), (1136, 71882), (2032, 40186), (2264, 36068), (2272, 35941), (4064, 20093), (4528, 18034), (9017, 9056)]