1818698545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{2083}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 2323943424

約数和(自身を除く): 505244879

約数列:

[1, 5, 31, 43, 131, 155, 215, 655, 1333, 2083, 4061, 5633, 6665, 10415, 20305, 28165, 64573, 89569, 174623, 272873, 322865, 447845, 873115, 1364365, 2776639, 8459063, 11733539, 13883195, 42295315, 58667695, 363739709, 1818698545]

約数ペア:

[(1, 1818698545), (5, 363739709), (31, 58667695), (43, 42295315), (131, 13883195), (155, 11733539), (215, 8459063), (655, 2776639), (1333, 1364365), (2083, 873115), (4061, 447845), (5633, 322865), (6665, 272873), (10415, 174623), (20305, 89569), (28165, 64573)]