72488164

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 149700096

約数和(自身を除く): 77211932

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 233, 271, 287, 466, 542, 574, 932, 1084, 1148, 1631, 1897, 3262, 3794, 6524, 7588, 9553, 11111, 19106, 22222, 38212, 44444, 63143, 66871, 77777, 126286, 133742, 155554, 252572, 267484, 311108, 442001, 884002, 1768004, 2588863, 5177726, 10355452, 18122041, 36244082, 72488164]

約数ペア:

[(1, 72488164), (2, 36244082), (4, 18122041), (7, 10355452), (14, 5177726), (28, 2588863), (41, 1768004), (82, 884002), (164, 442001), (233, 311108), (271, 267484), (287, 252572), (466, 155554), (542, 133742), (574, 126286), (932, 77777), (1084, 66871), (1148, 63143), (1631, 44444), (1897, 38212), (3262, 22222), (3794, 19106), (6524, 11111), (7588, 9553)]