1206551818

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{111121}}^1$

素因数の和:111273

約数の個数: 16

約数和(自身を含む): 1860182280

約数和(自身を除く): 653630462

約数列:

[1, 2, 61, 89, 122, 178, 5429, 10858, 111121, 222242, 6778381, 9889769, 13556762, 19779538, 603275909, 1206551818]

約数ペア:

[(1, 1206551818), (2, 603275909), (61, 19779538), (89, 13556762), (122, 9889769), (178, 6778381), (5429, 222242), (10858, 111121)]