819915265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{4073}}^1$

素因数の和:4273

約数の個数: 32

約数和(自身を含む): 1122468480

約数和(自身を除く): 302553215

約数列:

[1, 5, 13, 19, 65, 95, 163, 247, 815, 1235, 2119, 3097, 4073, 10595, 15485, 20365, 40261, 52949, 77387, 201305, 264745, 386935, 663899, 1006031, 3319495, 5030155, 8630687, 12614081, 43153435, 63070405, 163983053, 819915265]

約数ペア:

[(1, 819915265), (5, 163983053), (13, 63070405), (19, 43153435), (65, 12614081), (95, 8630687), (163, 5030155), (247, 3319495), (815, 1006031), (1235, 663899), (2119, 386935), (3097, 264745), (4073, 201305), (10595, 77387), (15485, 52949), (20365, 40261)]