251112708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:762

約数の個数: 144

約数和(自身を含む): 797806464

約数和(自身を除く): 546693756

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 157, 198, 231, 252, 308, 314, 396, 462, 471, 577, 628, 693, 924, 942, 1099, 1154, 1386, 1413, 1727, 1731, 1884, 2198, 2308, 2772, 2826, 3297, 3454, 3462, 4039, 4396, 5181, 5193, 5652, 6347, 6594, 6908, 6924, 8078, 9891, 10362, 10386, 12089, 12117, 12694, 13188, 15543, 16156, 19041, 19782, 20724, 20772, 24178, 24234, 25388, 31086, 36267, 36351, 38082, 39564, 44429, 48356, 48468, 57123, 62172, 72534, 72702, 76164, 88858, 90589, 108801, 114246, 133287, 145068, 145404, 177716, 181178, 217602, 228492, 266574, 271767, 362356, 399861, 435204, 533148, 543534, 634123, 799722, 815301, 996479, 1087068, 1268246, 1599444, 1630602, 1902369, 1992958, 2536492, 2989437, 3261204, 3804738, 3985916, 5707107, 5978874, 6975353, 7609476, 8968311, 11414214, 11957748, 13950706, 17936622, 20926059, 22828428, 27901412, 35873244, 41852118, 62778177, 83704236, 125556354, 251112708]

約数ペア:

[(1, 251112708), (2, 125556354), (3, 83704236), (4, 62778177), (6, 41852118), (7, 35873244), (9, 27901412), (11, 22828428), (12, 20926059), (14, 17936622), (18, 13950706), (21, 11957748), (22, 11414214), (28, 8968311), (33, 7609476), (36, 6975353), (42, 5978874), (44, 5707107), (63, 3985916), (66, 3804738), (77, 3261204), (84, 2989437), (99, 2536492), (126, 1992958), (132, 1902369), (154, 1630602), (157, 1599444), (198, 1268246), (231, 1087068), (252, 996479), (308, 815301), (314, 799722), (396, 634123), (462, 543534), (471, 533148), (577, 435204), (628, 399861), (693, 362356), (924, 271767), (942, 266574), (1099, 228492), (1154, 217602), (1386, 181178), (1413, 177716), (1727, 145404), (1731, 145068), (1884, 133287), (2198, 114246), (2308, 108801), (2772, 90589), (2826, 88858), (3297, 76164), (3454, 72702), (3462, 72534), (4039, 62172), (4396, 57123), (5181, 48468), (5193, 48356), (5652, 44429), (6347, 39564), (6594, 38082), (6908, 36351), (6924, 36267), (8078, 31086), (9891, 25388), (10362, 24234), (10386, 24178), (12089, 20772), (12117, 20724), (12694, 19782), (13188, 19041), (15543, 16156)]