1220791033

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{2621}}^1$

素因数の和:2925

約数の個数: 32

約数和(自身を含む): 1594847232

約数和(自身を除く): 374056199

約数列:

[1, 7, 11, 23, 77, 161, 253, 263, 1771, 1841, 2621, 2893, 6049, 18347, 20251, 28831, 42343, 60283, 66539, 201817, 421981, 465773, 663113, 689323, 4641791, 4825261, 7582553, 15854429, 53077871, 110981003, 174398719, 1220791033]

約数ペア:

[(1, 1220791033), (7, 174398719), (11, 110981003), (23, 53077871), (77, 15854429), (161, 7582553), (253, 4825261), (263, 4641791), (1771, 689323), (1841, 663113), (2621, 465773), (2893, 421981), (6049, 201817), (18347, 66539), (20251, 60283), (28831, 42343)]