9990596

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 22041600

約数和(自身を除く): 12051004

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 163, 199, 308, 326, 398, 652, 796, 1141, 1393, 1793, 2189, 2282, 2786, 3586, 4378, 4564, 5572, 7172, 8756, 12551, 15323, 25102, 30646, 32437, 50204, 61292, 64874, 129748, 227059, 356807, 454118, 713614, 908236, 1427228, 2497649, 4995298, 9990596]

約数ペア:

[(1, 9990596), (2, 4995298), (4, 2497649), (7, 1427228), (11, 908236), (14, 713614), (22, 454118), (28, 356807), (44, 227059), (77, 129748), (154, 64874), (163, 61292), (199, 50204), (308, 32437), (326, 30646), (398, 25102), (652, 15323), (796, 12551), (1141, 8756), (1393, 7172), (1793, 5572), (2189, 4564), (2282, 4378), (2786, 3586)]