401911705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{653}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 551777184

約数和(自身を除く): 149865479

約数列:

[1, 5, 13, 17, 65, 85, 221, 557, 653, 1105, 2785, 3265, 7241, 8489, 9469, 11101, 36205, 42445, 47345, 55505, 123097, 144313, 363721, 615485, 721565, 1818605, 4728373, 6183257, 23641865, 30916285, 80382341, 401911705]

約数ペア:

[(1, 401911705), (5, 80382341), (13, 30916285), (17, 23641865), (65, 6183257), (85, 4728373), (221, 1818605), (557, 721565), (653, 615485), (1105, 363721), (2785, 144313), (3265, 123097), (7241, 55505), (8489, 47345), (9469, 42445), (11101, 36205)]