856574257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{1237}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 1183012992

約数和(自身を除く): 326438735

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 529, 1237, 1309, 1771, 2737, 3703, 4301, 5819, 8659, 8993, 13607, 21029, 28451, 30107, 40733, 62951, 95249, 98923, 147203, 199157, 231319, 312961, 483667, 654373, 692461, 1619233, 2190727, 3385669, 4580611, 5320337, 7198103, 11124341, 37242359, 50386721, 77870387, 122367751, 856574257]

約数ペア:

[(1, 856574257), (7, 122367751), (11, 77870387), (17, 50386721), (23, 37242359), (77, 11124341), (119, 7198103), (161, 5320337), (187, 4580611), (253, 3385669), (391, 2190727), (529, 1619233), (1237, 692461), (1309, 654373), (1771, 483667), (2737, 312961), (3703, 231319), (4301, 199157), (5819, 147203), (8659, 98923), (8993, 95249), (13607, 62951), (21029, 40733), (28451, 30107)]