17999747967

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{7523}}^1$

素因数の和:7883

約数の個数: 32

約数和(自身を含む): 24962826240

約数和(自身を除く): 6963078273

約数列:

[1, 3, 47, 71, 141, 213, 239, 717, 3337, 7523, 10011, 11233, 16969, 22569, 33699, 50907, 353581, 534133, 797543, 1060743, 1602399, 1797997, 2392629, 5393991, 25104251, 75312753, 84505859, 127657787, 253517577, 382973361, 5999915989, 17999747967]

約数ペア:

[(1, 17999747967), (3, 5999915989), (47, 382973361), (71, 253517577), (141, 127657787), (213, 84505859), (239, 75312753), (717, 25104251), (3337, 5393991), (7523, 2392629), (10011, 1797997), (11233, 1602399), (16969, 1060743), (22569, 797543), (33699, 534133), (50907, 353581)]