1859845

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 2529792

約数和(自身を除く): 669947

約数列:

[1, 5, 13, 31, 65, 71, 155, 169, 355, 403, 845, 923, 2015, 2201, 4615, 5239, 11005, 11999, 26195, 28613, 59995, 143065, 371969, 1859845]

約数ペア:

[(1, 1859845), (5, 371969), (13, 143065), (31, 59995), (65, 28613), (71, 26195), (155, 11999), (169, 11005), (355, 5239), (403, 4615), (845, 2201), (923, 2015)]