809780038

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{13513}}^1$

素因数の和:13636

約数の個数: 24

約数和(自身を含む): 1297506168

約数和(自身を除く): 487726130

約数列:

[1, 2, 19, 38, 83, 166, 361, 722, 1577, 3154, 13513, 27026, 29963, 59926, 256747, 513494, 1121579, 2243158, 4878193, 9756386, 21310001, 42620002, 404890019, 809780038]

約数ペア:

[(1, 809780038), (2, 404890019), (19, 42620002), (38, 21310001), (83, 9756386), (166, 4878193), (361, 2243158), (722, 1121579), (1577, 513494), (3154, 256747), (13513, 59926), (27026, 29963)]