209561212

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 427472640

約数和(自身を除く): 217911428

約数列:

[1, 2, 4, 7, 14, 28, 107, 113, 214, 226, 428, 452, 619, 749, 791, 1238, 1498, 1582, 2476, 2996, 3164, 4333, 8666, 12091, 17332, 24182, 48364, 66233, 69947, 84637, 132466, 139894, 169274, 264932, 279788, 338548, 463631, 489629, 927262, 979258, 1854524, 1958516, 7484329, 14968658, 29937316, 52390303, 104780606, 209561212]

約数ペア:

[(1, 209561212), (2, 104780606), (4, 52390303), (7, 29937316), (14, 14968658), (28, 7484329), (107, 1958516), (113, 1854524), (214, 979258), (226, 927262), (428, 489629), (452, 463631), (619, 338548), (749, 279788), (791, 264932), (1238, 169274), (1498, 139894), (1582, 132466), (2476, 84637), (2996, 69947), (3164, 66233), (4333, 48364), (8666, 24182), (12091, 17332)]