7726139138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{20749}}^1$

素因数の和:21050

約数の個数: 32

約数和(自身を含む): 12549600000

約数和(自身を除く): 4823460862

約数列:

[1, 2, 19, 38, 41, 82, 239, 478, 779, 1558, 4541, 9082, 9799, 19598, 20749, 41498, 186181, 372362, 394231, 788462, 850709, 1701418, 4959011, 9918022, 16163471, 32326942, 94221209, 188442418, 203319451, 406638902, 3863069569, 7726139138]

約数ペア:

[(1, 7726139138), (2, 3863069569), (19, 406638902), (38, 203319451), (41, 188442418), (82, 94221209), (239, 32326942), (478, 16163471), (779, 9918022), (1558, 4959011), (4541, 1701418), (9082, 850709), (9799, 788462), (19598, 394231), (20749, 372362), (41498, 186181)]