206706816

素因数分解:

$2^7\times 3^4\times {\mathrm{19937}}^1$

素因数の和:19963

約数の個数: 80

約数和(自身を含む): 615186990

約数和(自身を除く): 408480174

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 19937, 39874, 59811, 79748, 119622, 159496, 179433, 239244, 318992, 358866, 478488, 538299, 637984, 717732, 956976, 1076598, 1275968, 1435464, 1614897, 1913952, 2153196, 2551936, 2870928, 3229794, 3827904, 4306392, 5741856, 6459588, 7655808, 8612784, 11483712, 12919176, 17225568, 22967424, 25838352, 34451136, 51676704, 68902272, 103353408, 206706816]

約数ペア:

[(1, 206706816), (2, 103353408), (3, 68902272), (4, 51676704), (6, 34451136), (8, 25838352), (9, 22967424), (12, 17225568), (16, 12919176), (18, 11483712), (24, 8612784), (27, 7655808), (32, 6459588), (36, 5741856), (48, 4306392), (54, 3827904), (64, 3229794), (72, 2870928), (81, 2551936), (96, 2153196), (108, 1913952), (128, 1614897), (144, 1435464), (162, 1275968), (192, 1076598), (216, 956976), (288, 717732), (324, 637984), (384, 538299), (432, 478488), (576, 358866), (648, 318992), (864, 239244), (1152, 179433), (1296, 159496), (1728, 119622), (2592, 79748), (3456, 59811), (5184, 39874), (10368, 19937)]