71280412

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 148056832

約数和(自身を除く): 76776420

約数列:

[1, 2, 4, 7, 14, 28, 43, 73, 86, 146, 172, 292, 301, 511, 602, 811, 1022, 1204, 1622, 2044, 3139, 3244, 5677, 6278, 11354, 12556, 21973, 22708, 34873, 43946, 59203, 69746, 87892, 118406, 139492, 236812, 244111, 414421, 488222, 828842, 976444, 1657684, 2545729, 5091458, 10182916, 17820103, 35640206, 71280412]

約数ペア:

[(1, 71280412), (2, 35640206), (4, 17820103), (7, 10182916), (14, 5091458), (28, 2545729), (43, 1657684), (73, 976444), (86, 828842), (146, 488222), (172, 414421), (292, 244111), (301, 236812), (511, 139492), (602, 118406), (811, 87892), (1022, 69746), (1204, 59203), (1622, 43946), (2044, 34873), (3139, 22708), (3244, 21973), (5677, 12556), (6278, 11354)]