82638556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20674

約数の個数: 48

約数和(自身を含む): 194181120

約数和(自身を除く): 111542564

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 20639, 41278, 82556, 144473, 227029, 268307, 288946, 454058, 536614, 577892, 908116, 1073228, 1589203, 1878149, 2951377, 3178406, 3756298, 5902754, 6356812, 7512596, 11805508, 20659639, 41319278, 82638556]

約数ペア:

[(1, 82638556), (2, 41319278), (4, 20659639), (7, 11805508), (11, 7512596), (13, 6356812), (14, 5902754), (22, 3756298), (26, 3178406), (28, 2951377), (44, 1878149), (52, 1589203), (77, 1073228), (91, 908116), (143, 577892), (154, 536614), (182, 454058), (286, 288946), (308, 268307), (364, 227029), (572, 144473), (1001, 82556), (2002, 41278), (4004, 20639)]