218426992

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1187}}^1$

素因数の和:1286

約数の個数: 80

約数和(自身を含む): 509110272

約数和(自身を除く): 290683280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 53, 56, 62, 106, 112, 124, 212, 217, 248, 371, 424, 434, 496, 742, 848, 868, 1187, 1484, 1643, 1736, 2374, 2968, 3286, 3472, 4748, 5936, 6572, 8309, 9496, 11501, 13144, 16618, 18992, 23002, 26288, 33236, 36797, 46004, 62911, 66472, 73594, 92008, 125822, 132944, 147188, 184016, 251644, 257579, 294376, 440377, 503288, 515158, 588752, 880754, 1006576, 1030316, 1761508, 1950241, 2060632, 3523016, 3900482, 4121264, 7046032, 7800964, 13651687, 15601928, 27303374, 31203856, 54606748, 109213496, 218426992]

約数ペア:

[(1, 218426992), (2, 109213496), (4, 54606748), (7, 31203856), (8, 27303374), (14, 15601928), (16, 13651687), (28, 7800964), (31, 7046032), (53, 4121264), (56, 3900482), (62, 3523016), (106, 2060632), (112, 1950241), (124, 1761508), (212, 1030316), (217, 1006576), (248, 880754), (371, 588752), (424, 515158), (434, 503288), (496, 440377), (742, 294376), (848, 257579), (868, 251644), (1187, 184016), (1484, 147188), (1643, 132944), (1736, 125822), (2374, 92008), (2968, 73594), (3286, 66472), (3472, 62911), (4748, 46004), (5936, 36797), (6572, 33236), (8309, 26288), (9496, 23002), (11501, 18992), (13144, 16618)]