128855692

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{15289}}^1$

素因数の和:15350

約数の個数: 36

約数和(自身を含む): 268431240

約数和(自身を除く): 139575548

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 15289, 30578, 61156, 107023, 214046, 428092, 657427, 749161, 1314854, 1498322, 2629708, 2996644, 4601989, 9203978, 18407956, 32213923, 64427846, 128855692]

約数ペア:

[(1, 128855692), (2, 64427846), (4, 32213923), (7, 18407956), (14, 9203978), (28, 4601989), (43, 2996644), (49, 2629708), (86, 1498322), (98, 1314854), (172, 749161), (196, 657427), (301, 428092), (602, 214046), (1204, 107023), (2107, 61156), (4214, 30578), (8428, 15289)]