661569428

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 1270691520

約数和(自身を除く): 609122092

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 169, 332, 338, 676, 907, 1079, 1814, 2158, 2197, 3628, 4316, 4394, 8788, 11791, 14027, 23582, 28054, 47164, 56108, 75281, 150562, 153283, 182351, 301124, 306566, 364702, 613132, 729404, 978653, 1957306, 1992679, 3914612, 3985358, 7970716, 12722489, 25444978, 50889956, 165392357, 330784714, 661569428]

約数ペア:

[(1, 661569428), (2, 330784714), (4, 165392357), (13, 50889956), (26, 25444978), (52, 12722489), (83, 7970716), (166, 3985358), (169, 3914612), (332, 1992679), (338, 1957306), (676, 978653), (907, 729404), (1079, 613132), (1814, 364702), (2158, 306566), (2197, 301124), (3628, 182351), (4316, 153283), (4394, 150562), (8788, 75281), (11791, 56108), (14027, 47164), (23582, 28054)]