76681988

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{1399}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 136886400

約数和(自身を除く): 60204412

約数列:

[1, 2, 4, 71, 142, 193, 284, 386, 772, 1399, 2798, 5596, 13703, 27406, 54812, 99329, 198658, 270007, 397316, 540014, 1080028, 19170497, 38340994, 76681988]

約数ペア:

[(1, 76681988), (2, 38340994), (4, 19170497), (71, 1080028), (142, 540014), (193, 397316), (284, 270007), (386, 198658), (772, 99329), (1399, 54812), (2798, 27406), (5596, 13703)]