51640004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 99212652

約数和(自身を除く): 47572648

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 197, 284, 394, 788, 923, 1846, 2561, 3692, 5041, 5122, 10082, 10244, 13987, 20164, 27974, 55948, 65533, 131066, 181831, 262132, 363662, 727324, 993077, 1986154, 3972308, 12910001, 25820002, 51640004]

約数ペア:

[(1, 51640004), (2, 25820002), (4, 12910001), (13, 3972308), (26, 1986154), (52, 993077), (71, 727324), (142, 363662), (197, 262132), (284, 181831), (394, 131066), (788, 65533), (923, 55948), (1846, 27974), (2561, 20164), (3692, 13987), (5041, 10244), (5122, 10082)]