661330660016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4957}}^1\times {\mathrm{641411}}^1$

素因数の和:646389

約数の個数: 40

約数和(自身を含む): 1380172382064

約数和(自身を除く): 718841722048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4957, 9914, 19828, 39656, 64441, 79312, 128882, 257764, 515528, 641411, 1031056, 1282822, 2565644, 5131288, 8338343, 10262576, 16676686, 33353372, 66706744, 133413488, 3179474327, 6358948654, 12717897308, 25435794616, 41333166251, 50871589232, 82666332502, 165332665004, 330665330008, 661330660016]

約数ペア:

[(1, 661330660016), (2, 330665330008), (4, 165332665004), (8, 82666332502), (13, 50871589232), (16, 41333166251), (26, 25435794616), (52, 12717897308), (104, 6358948654), (208, 3179474327), (4957, 133413488), (9914, 66706744), (19828, 33353372), (39656, 16676686), (64441, 10262576), (79312, 8338343), (128882, 5131288), (257764, 2565644), (515528, 1282822), (641411, 1031056)]