1291243408

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{18869}}^1$

素因数の和:18944

約数の個数: 80

約数和(自身を含む): 3144798720

約数和(自身を除く): 1853555312

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 47, 52, 56, 91, 94, 104, 112, 182, 188, 208, 329, 364, 376, 611, 658, 728, 752, 1222, 1316, 1456, 2444, 2632, 4277, 4888, 5264, 8554, 9776, 17108, 18869, 34216, 37738, 68432, 75476, 132083, 150952, 245297, 264166, 301904, 490594, 528332, 886843, 981188, 1056664, 1717079, 1773686, 1962376, 2113328, 3434158, 3547372, 3924752, 6207901, 6868316, 7094744, 11528959, 12415802, 13736632, 14189488, 23057918, 24831604, 27473264, 46115836, 49663208, 80702713, 92231672, 99326416, 161405426, 184463344, 322810852, 645621704, 1291243408]

約数ペア:

[(1, 1291243408), (2, 645621704), (4, 322810852), (7, 184463344), (8, 161405426), (13, 99326416), (14, 92231672), (16, 80702713), (26, 49663208), (28, 46115836), (47, 27473264), (52, 24831604), (56, 23057918), (91, 14189488), (94, 13736632), (104, 12415802), (112, 11528959), (182, 7094744), (188, 6868316), (208, 6207901), (329, 3924752), (364, 3547372), (376, 3434158), (611, 2113328), (658, 1962376), (728, 1773686), (752, 1717079), (1222, 1056664), (1316, 981188), (1456, 886843), (2444, 528332), (2632, 490594), (4277, 301904), (4888, 264166), (5264, 245297), (8554, 150952), (9776, 132083), (17108, 75476), (18869, 68432), (34216, 37738)]