68487796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8389}}^1$

素因数の和:8563

約数の個数: 24

約数和(自身を含む): 129910760

約数和(自身を除く): 61422964

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 8389, 16778, 33556, 109057, 218114, 436228, 1317073, 2634146, 5268292, 17121949, 34243898, 68487796]

約数ペア:

[(1, 68487796), (2, 34243898), (4, 17121949), (13, 5268292), (26, 2634146), (52, 1317073), (157, 436228), (314, 218114), (628, 109057), (2041, 33556), (4082, 16778), (8164, 8389)]