820245959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 931467264

約数和(自身を除く): 111221305

約数列:

[1, 13, 41, 67, 103, 223, 533, 871, 1339, 2747, 2899, 4223, 6901, 9143, 14941, 22969, 35711, 54899, 89713, 118859, 194233, 282941, 298597, 612581, 941729, 1538923, 3678233, 7963553, 12242477, 20005999, 63095843, 820245959]

約数ペア:

[(1, 820245959), (13, 63095843), (41, 20005999), (67, 12242477), (103, 7963553), (223, 3678233), (533, 1538923), (871, 941729), (1339, 612581), (2747, 298597), (2899, 282941), (4223, 194233), (6901, 118859), (9143, 89713), (14941, 54899), (22969, 35711)]