215905956

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{599}}^1\times {\mathrm{613}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 587966400

約数和(自身を除く): 372060444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 599, 613, 1198, 1226, 1797, 1839, 2396, 2452, 3594, 3678, 4193, 4291, 7188, 7356, 8386, 8582, 12579, 12873, 16772, 17164, 25158, 25746, 29351, 30037, 50316, 51492, 58702, 60074, 88053, 90111, 117404, 120148, 176106, 180222, 352212, 360444, 367187, 734374, 1101561, 1468748, 2203122, 2570309, 4406244, 5140618, 7710927, 10281236, 15421854, 17992163, 30843708, 35984326, 53976489, 71968652, 107952978, 215905956]

約数ペア:

[(1, 215905956), (2, 107952978), (3, 71968652), (4, 53976489), (6, 35984326), (7, 30843708), (12, 17992163), (14, 15421854), (21, 10281236), (28, 7710927), (42, 5140618), (49, 4406244), (84, 2570309), (98, 2203122), (147, 1468748), (196, 1101561), (294, 734374), (588, 367187), (599, 360444), (613, 352212), (1198, 180222), (1226, 176106), (1797, 120148), (1839, 117404), (2396, 90111), (2452, 88053), (3594, 60074), (3678, 58702), (4193, 51492), (4291, 50316), (7188, 30037), (7356, 29351), (8386, 25746), (8582, 25158), (12579, 17164), (12873, 16772)]