1388404626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1\times {\mathrm{2137}}^1$

素因数の和:2679

約数の個数: 64

約数和(自身を含む): 3283968000

約数和(自身を除く): 1895563374

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 499, 651, 998, 1302, 1497, 2137, 2994, 3493, 4274, 6411, 6986, 10479, 12822, 14959, 15469, 20958, 29918, 30938, 44877, 46407, 66247, 89754, 92814, 108283, 132494, 198741, 216566, 324849, 397482, 463729, 649698, 927458, 1066363, 1391187, 2132726, 2782374, 3199089, 6398178, 7464541, 14929082, 22393623, 33057253, 44787246, 66114506, 99171759, 198343518, 231400771, 462801542, 694202313, 1388404626]

約数ペア:

[(1, 1388404626), (2, 694202313), (3, 462801542), (6, 231400771), (7, 198343518), (14, 99171759), (21, 66114506), (31, 44787246), (42, 33057253), (62, 22393623), (93, 14929082), (186, 7464541), (217, 6398178), (434, 3199089), (499, 2782374), (651, 2132726), (998, 1391187), (1302, 1066363), (1497, 927458), (2137, 649698), (2994, 463729), (3493, 397482), (4274, 324849), (6411, 216566), (6986, 198741), (10479, 132494), (12822, 108283), (14959, 92814), (15469, 89754), (20958, 66247), (29918, 46407), (30938, 44877)]