1388672216

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{367}}^1\times {\mathrm{1979}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 2623104000

約数和(自身を除く): 1234431784

約数列:

[1, 2, 4, 8, 239, 367, 478, 734, 956, 1468, 1912, 1979, 2936, 3958, 7916, 15832, 87713, 175426, 350852, 472981, 701704, 726293, 945962, 1452586, 1891924, 2905172, 3783848, 5810344, 173584027, 347168054, 694336108, 1388672216]

約数ペア:

[(1, 1388672216), (2, 694336108), (4, 347168054), (8, 173584027), (239, 5810344), (367, 3783848), (478, 2905172), (734, 1891924), (956, 1452586), (1468, 945962), (1912, 726293), (1979, 701704), (2936, 472981), (3958, 350852), (7916, 175426), (15832, 87713)]