217745808

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2221

約数の個数: 120

約数和(自身を含む): 669876768

約数和(自身を除く): 452130960

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 49, 56, 84, 86, 98, 112, 129, 147, 168, 172, 196, 258, 294, 301, 336, 344, 392, 516, 588, 602, 688, 784, 903, 1032, 1176, 1204, 1806, 2064, 2107, 2153, 2352, 2408, 3612, 4214, 4306, 4816, 6321, 6459, 7224, 8428, 8612, 12642, 12918, 14448, 15071, 16856, 17224, 25284, 25836, 30142, 33712, 34448, 45213, 50568, 51672, 60284, 90426, 92579, 101136, 103344, 105497, 120568, 180852, 185158, 210994, 241136, 277737, 316491, 361704, 370316, 421988, 555474, 632982, 648053, 723408, 740632, 843976, 1110948, 1265964, 1296106, 1481264, 1687952, 1944159, 2221896, 2531928, 2592212, 3888318, 4443792, 4536371, 5063856, 5184424, 7776636, 9072742, 10368848, 13609113, 15553272, 18145484, 27218226, 31106544, 36290968, 54436452, 72581936, 108872904, 217745808]

約数ペア:

[(1, 217745808), (2, 108872904), (3, 72581936), (4, 54436452), (6, 36290968), (7, 31106544), (8, 27218226), (12, 18145484), (14, 15553272), (16, 13609113), (21, 10368848), (24, 9072742), (28, 7776636), (42, 5184424), (43, 5063856), (48, 4536371), (49, 4443792), (56, 3888318), (84, 2592212), (86, 2531928), (98, 2221896), (112, 1944159), (129, 1687952), (147, 1481264), (168, 1296106), (172, 1265964), (196, 1110948), (258, 843976), (294, 740632), (301, 723408), (336, 648053), (344, 632982), (392, 555474), (516, 421988), (588, 370316), (602, 361704), (688, 316491), (784, 277737), (903, 241136), (1032, 210994), (1176, 185158), (1204, 180852), (1806, 120568), (2064, 105497), (2107, 103344), (2153, 101136), (2352, 92579), (2408, 90426), (3612, 60284), (4214, 51672), (4306, 50568), (4816, 45213), (6321, 34448), (6459, 33712), (7224, 30142), (8428, 25836), (8612, 25284), (12642, 17224), (12918, 16856), (14448, 15071)]