49997556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 145308800

約数和(自身を除く): 95311244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 997, 1194, 1393, 1791, 1994, 2388, 2786, 2991, 3582, 3988, 4179, 5572, 5982, 6979, 7164, 8358, 8973, 11964, 12537, 13958, 16716, 17946, 20937, 25074, 27916, 35892, 41874, 50148, 62811, 83748, 125622, 198403, 251244, 396806, 595209, 793612, 1190418, 1388821, 1785627, 2380836, 2777642, 3571254, 4166463, 5555284, 7142508, 8332926, 12499389, 16665852, 24998778, 49997556]

約数ペア:

[(1, 49997556), (2, 24998778), (3, 16665852), (4, 12499389), (6, 8332926), (7, 7142508), (9, 5555284), (12, 4166463), (14, 3571254), (18, 2777642), (21, 2380836), (28, 1785627), (36, 1388821), (42, 1190418), (63, 793612), (84, 595209), (126, 396806), (199, 251244), (252, 198403), (398, 125622), (597, 83748), (796, 62811), (997, 50148), (1194, 41874), (1393, 35892), (1791, 27916), (1994, 25074), (2388, 20937), (2786, 17946), (2991, 16716), (3582, 13958), (3988, 12537), (4179, 11964), (5572, 8973), (5982, 8358), (6979, 7164)]