1908686523

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{2143}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 2688335872

約数和(自身を除く): 779649349

約数列:

[1, 3, 31, 61, 93, 157, 183, 471, 1891, 2143, 4867, 5673, 6429, 9577, 14601, 28731, 66433, 130723, 199299, 296887, 336451, 392169, 890661, 1009353, 4052413, 10429981, 12157239, 20523511, 31289943, 61570533, 636228841, 1908686523]

約数ペア:

[(1, 1908686523), (3, 636228841), (31, 61570533), (61, 31289943), (93, 20523511), (157, 12157239), (183, 10429981), (471, 4052413), (1891, 1009353), (2143, 890661), (4867, 392169), (5673, 336451), (6429, 296887), (9577, 199299), (14601, 130723), (28731, 66433)]