68891812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{23369}}^1$

素因数の和:23451

約数の個数: 24

約数和(自身を含む): 133489440

約数和(自身を除く): 64597628

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 23369, 46738, 93476, 257059, 514118, 1028236, 1565723, 3131446, 6262892, 17222953, 34445906, 68891812]

約数ペア:

[(1, 68891812), (2, 34445906), (4, 17222953), (11, 6262892), (22, 3131446), (44, 1565723), (67, 1028236), (134, 514118), (268, 257059), (737, 93476), (1474, 46738), (2948, 23369)]