1820256557

素因数分解:

$7^2\times {\mathrm{197}}^1\times {\mathrm{269}}^1\times {\mathrm{701}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 2139148440

約数和(自身を除く): 318891883

約数列:

[1, 7, 49, 197, 269, 701, 1379, 1883, 4907, 9653, 13181, 34349, 52993, 138097, 188569, 370951, 966679, 1319983, 2596657, 6766753, 9239881, 37148093, 260036651, 1820256557]

約数ペア:

[(1, 1820256557), (7, 260036651), (49, 37148093), (197, 9239881), (269, 6766753), (701, 2596657), (1379, 1319983), (1883, 966679), (4907, 370951), (9653, 188569), (13181, 138097), (34349, 52993)]