78627668

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{68491}}^1$

素因数の和:68543

約数の個数: 24

約数和(自身を含む): 161093184

約数和(自身を除く): 82465516

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 68491, 136982, 273964, 479437, 958874, 1917748, 2808131, 5616262, 11232524, 19656917, 39313834, 78627668]

約数ペア:

[(1, 78627668), (2, 39313834), (4, 19656917), (7, 11232524), (14, 5616262), (28, 2808131), (41, 1917748), (82, 958874), (164, 479437), (287, 273964), (574, 136982), (1148, 68491)]