1257242868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{2521}}^1$

素因数の和:4517

約数の個数: 72

約数和(自身を含む): 3635311680

約数和(自身を除く): 2378068812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1979, 2521, 3958, 5042, 5937, 7563, 7916, 10084, 11874, 13853, 15126, 17647, 17811, 22689, 23748, 27706, 30252, 35294, 35622, 41559, 45378, 52941, 55412, 70588, 71244, 83118, 90756, 105882, 124677, 158823, 166236, 211764, 249354, 317646, 498708, 635292, 4989059, 9978118, 14967177, 19956236, 29934354, 34923413, 44901531, 59868708, 69846826, 89803062, 104770239, 139693652, 179606124, 209540478, 314310717, 419080956, 628621434, 1257242868]

約数ペア:

[(1, 1257242868), (2, 628621434), (3, 419080956), (4, 314310717), (6, 209540478), (7, 179606124), (9, 139693652), (12, 104770239), (14, 89803062), (18, 69846826), (21, 59868708), (28, 44901531), (36, 34923413), (42, 29934354), (63, 19956236), (84, 14967177), (126, 9978118), (252, 4989059), (1979, 635292), (2521, 498708), (3958, 317646), (5042, 249354), (5937, 211764), (7563, 166236), (7916, 158823), (10084, 124677), (11874, 105882), (13853, 90756), (15126, 83118), (17647, 71244), (17811, 70588), (22689, 55412), (23748, 52941), (27706, 45378), (30252, 41559), (35294, 35622)]