131236490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4157}}^1$

素因数の和:4223

約数の個数: 64

約数和(自身を含む): 301771008

約数和(自身を除く): 170534518

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 41, 55, 70, 77, 82, 110, 154, 205, 287, 385, 410, 451, 574, 770, 902, 1435, 2255, 2870, 3157, 4157, 4510, 6314, 8314, 15785, 20785, 29099, 31570, 41570, 45727, 58198, 91454, 145495, 170437, 228635, 290990, 320089, 340874, 457270, 640178, 852185, 1193059, 1600445, 1704370, 1874807, 2386118, 3200890, 3749614, 5965295, 9374035, 11930590, 13123649, 18748070, 26247298, 65618245, 131236490]

約数ペア:

[(1, 131236490), (2, 65618245), (5, 26247298), (7, 18748070), (10, 13123649), (11, 11930590), (14, 9374035), (22, 5965295), (35, 3749614), (41, 3200890), (55, 2386118), (70, 1874807), (77, 1704370), (82, 1600445), (110, 1193059), (154, 852185), (205, 640178), (287, 457270), (385, 340874), (410, 320089), (451, 290990), (574, 228635), (770, 170437), (902, 145495), (1435, 91454), (2255, 58198), (2870, 45727), (3157, 41570), (4157, 31570), (4510, 29099), (6314, 20785), (8314, 15785)]