178658012

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{2081}}^1$

素因数の和:2238

約数の個数: 36

約数和(自身を含む): 341381376

約数和(自身を除く): 162723364

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 254, 338, 508, 676, 1651, 2081, 3302, 4162, 6604, 8324, 21463, 27053, 42926, 54106, 85852, 108212, 264287, 351689, 528574, 703378, 1057148, 1406756, 3435731, 6871462, 13742924, 44664503, 89329006, 178658012]

約数ペア:

[(1, 178658012), (2, 89329006), (4, 44664503), (13, 13742924), (26, 6871462), (52, 3435731), (127, 1406756), (169, 1057148), (254, 703378), (338, 528574), (508, 351689), (676, 264287), (1651, 108212), (2081, 85852), (3302, 54106), (4162, 42926), (6604, 27053), (8324, 21463)]