87138476

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 155322720

約数和(自身を除く): 68184244

約数列:

[1, 2, 4, 89, 151, 178, 302, 356, 604, 1621, 3242, 6484, 13439, 26878, 53756, 144269, 244771, 288538, 489542, 577076, 979084, 21784619, 43569238, 87138476]

約数ペア:

[(1, 87138476), (2, 43569238), (4, 21784619), (89, 979084), (151, 577076), (178, 489542), (302, 288538), (356, 244771), (604, 144269), (1621, 53756), (3242, 26878), (6484, 13439)]