128680804

素因数分解:

$2^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{4733}}^1$

素因数の和:5715

約数の個数: 24

約数和(自身を含む): 257681088

約数和(自身を除く): 129000284

約数列:

[1, 2, 4, 7, 14, 28, 971, 1942, 3884, 4733, 6797, 9466, 13594, 18932, 27188, 33131, 66262, 132524, 4595743, 9191486, 18382972, 32170201, 64340402, 128680804]

約数ペア:

[(1, 128680804), (2, 64340402), (4, 32170201), (7, 18382972), (14, 9191486), (28, 4595743), (971, 132524), (1942, 66262), (3884, 33131), (4733, 27188), (6797, 18932), (9466, 13594)]