127974518

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{128747}}^1$

素因数の和:128827

約数の個数: 16

約数和(自身を含む): 222476544

約数和(自身を除く): 94502026

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 128747, 257494, 901229, 1802458, 9141037, 18282074, 63987259, 127974518]

約数ペア:

[(1, 127974518), (2, 63987259), (7, 18282074), (14, 9141037), (71, 1802458), (142, 901229), (497, 257494), (994, 128747)]