221273164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13417}}^1$

素因数の和:13478

約数の個数: 48

約数和(自身を含む): 480901120

約数和(自身を除く): 259627956

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 13417, 16492, 26834, 53668, 93919, 187838, 254923, 375676, 415927, 509846, 831854, 1019692, 1663708, 1784461, 2911489, 3568922, 5822978, 7137844, 7902613, 11645956, 15805226, 31610452, 55318291, 110636582, 221273164]

約数ペア:

[(1, 221273164), (2, 110636582), (4, 55318291), (7, 31610452), (14, 15805226), (19, 11645956), (28, 7902613), (31, 7137844), (38, 5822978), (62, 3568922), (76, 2911489), (124, 1784461), (133, 1663708), (217, 1019692), (266, 831854), (434, 509846), (532, 415927), (589, 375676), (868, 254923), (1178, 187838), (2356, 93919), (4123, 53668), (8246, 26834), (13417, 16492)]