1281777196

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1\times {\mathrm{1871}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 2629186560

約数和(自身を除く): 1347409364

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 569, 602, 1138, 1204, 1871, 2276, 3742, 3983, 7484, 7966, 13097, 15932, 24467, 26194, 48934, 52388, 80453, 97868, 160906, 171269, 321812, 342538, 563171, 685076, 1064599, 1126342, 2129198, 2252684, 4258396, 7452193, 14904386, 29808772, 45777757, 91555514, 183111028, 320444299, 640888598, 1281777196]

約数ペア:

[(1, 1281777196), (2, 640888598), (4, 320444299), (7, 183111028), (14, 91555514), (28, 45777757), (43, 29808772), (86, 14904386), (172, 7452193), (301, 4258396), (569, 2252684), (602, 2129198), (1138, 1126342), (1204, 1064599), (1871, 685076), (2276, 563171), (3742, 342538), (3983, 321812), (7484, 171269), (7966, 160906), (13097, 97868), (15932, 80453), (24467, 52388), (26194, 48934)]