311293332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{2371}}^1$

素因数の和:2909

約数の個数: 72

約数和(自身を含む): 901397952

約数和(自身を除く): 590104620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 1042, 1563, 2084, 2371, 3126, 3647, 4689, 4742, 6252, 7113, 7294, 9378, 9484, 10941, 14226, 14588, 16597, 18756, 21339, 21882, 28452, 32823, 33194, 42678, 43764, 49791, 65646, 66388, 85356, 99582, 131292, 149373, 199164, 298746, 597492, 1235291, 2470582, 3705873, 4941164, 7411746, 8647037, 11117619, 14823492, 17294074, 22235238, 25941111, 34588148, 44470476, 51882222, 77823333, 103764444, 155646666, 311293332]

約数ペア:

[(1, 311293332), (2, 155646666), (3, 103764444), (4, 77823333), (6, 51882222), (7, 44470476), (9, 34588148), (12, 25941111), (14, 22235238), (18, 17294074), (21, 14823492), (28, 11117619), (36, 8647037), (42, 7411746), (63, 4941164), (84, 3705873), (126, 2470582), (252, 1235291), (521, 597492), (1042, 298746), (1563, 199164), (2084, 149373), (2371, 131292), (3126, 99582), (3647, 85356), (4689, 66388), (4742, 65646), (6252, 49791), (7113, 43764), (7294, 42678), (9378, 33194), (9484, 32823), (10941, 28452), (14226, 21882), (14588, 21339), (16597, 18756)]