7218374420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{82609}}^1$

素因数の和:82892

約数の個数: 48

約数和(自身を含む): 16112915280

約数和(自身を除く): 8894540860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 1028, 1285, 2570, 4369, 5140, 8738, 17476, 21845, 43690, 82609, 87380, 165218, 330436, 413045, 826090, 1404353, 1652180, 2808706, 5617412, 7021765, 14043530, 21230513, 28087060, 42461026, 84922052, 106152565, 212305130, 360918721, 424610260, 721837442, 1443674884, 1804593605, 3609187210, 7218374420]

約数ペア:

[(1, 7218374420), (2, 3609187210), (4, 1804593605), (5, 1443674884), (10, 721837442), (17, 424610260), (20, 360918721), (34, 212305130), (68, 106152565), (85, 84922052), (170, 42461026), (257, 28087060), (340, 21230513), (514, 14043530), (1028, 7021765), (1285, 5617412), (2570, 2808706), (4369, 1652180), (5140, 1404353), (8738, 826090), (17476, 413045), (21845, 330436), (43690, 165218), (82609, 87380)]