206560016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 60

約数和(自身を含む): 439370316

約数和(自身を除く): 232810300

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 197, 208, 284, 394, 568, 788, 923, 1136, 1576, 1846, 2561, 3152, 3692, 5041, 5122, 7384, 10082, 10244, 13987, 14768, 20164, 20488, 27974, 40328, 40976, 55948, 65533, 80656, 111896, 131066, 181831, 223792, 262132, 363662, 524264, 727324, 993077, 1048528, 1454648, 1986154, 2909296, 3972308, 7944616, 12910001, 15889232, 25820002, 51640004, 103280008, 206560016]

約数ペア:

[(1, 206560016), (2, 103280008), (4, 51640004), (8, 25820002), (13, 15889232), (16, 12910001), (26, 7944616), (52, 3972308), (71, 2909296), (104, 1986154), (142, 1454648), (197, 1048528), (208, 993077), (284, 727324), (394, 524264), (568, 363662), (788, 262132), (923, 223792), (1136, 181831), (1576, 131066), (1846, 111896), (2561, 80656), (3152, 65533), (3692, 55948), (5041, 40976), (5122, 40328), (7384, 27974), (10082, 20488), (10244, 20164), (13987, 14768)]