281919708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1619}}^1$

素因数の和:2327

約数の個数: 72

約数和(自身を含む): 816117120

約数和(自身を除く): 534197412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 691, 1382, 1619, 2073, 2764, 3238, 4146, 4837, 4857, 6219, 6476, 8292, 9674, 9714, 11333, 12438, 14511, 14571, 19348, 19428, 22666, 24876, 29022, 29142, 33999, 43533, 45332, 58044, 58284, 67998, 87066, 101997, 135996, 174132, 203994, 407988, 1118729, 2237458, 3356187, 4474916, 6712374, 7831103, 10068561, 13424748, 15662206, 20137122, 23493309, 31324412, 40274244, 46986618, 70479927, 93973236, 140959854, 281919708]

約数ペア:

[(1, 281919708), (2, 140959854), (3, 93973236), (4, 70479927), (6, 46986618), (7, 40274244), (9, 31324412), (12, 23493309), (14, 20137122), (18, 15662206), (21, 13424748), (28, 10068561), (36, 7831103), (42, 6712374), (63, 4474916), (84, 3356187), (126, 2237458), (252, 1118729), (691, 407988), (1382, 203994), (1619, 174132), (2073, 135996), (2764, 101997), (3238, 87066), (4146, 67998), (4837, 58284), (4857, 58044), (6219, 45332), (6476, 43533), (8292, 33999), (9674, 29142), (9714, 29022), (11333, 24876), (12438, 22666), (14511, 19428), (14571, 19348)]