80820626

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{2657}}^1$

素因数の和:2953

約数の個数: 16

約数和(自身を含む): 123628896

約数和(自身を除く): 42808270

約数列:

[1, 2, 67, 134, 227, 454, 2657, 5314, 15209, 30418, 178019, 356038, 603139, 1206278, 40410313, 80820626]

約数ペア:

[(1, 80820626), (2, 40410313), (67, 1206278), (134, 603139), (227, 356038), (454, 178019), (2657, 30418), (5314, 15209)]