28941066

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 84296160

約数和(自身を除く): 55355094

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 49, 57, 63, 66, 77, 98, 99, 114, 126, 133, 147, 154, 157, 171, 198, 209, 231, 266, 294, 314, 342, 399, 418, 441, 462, 471, 539, 627, 693, 798, 882, 931, 942, 1078, 1099, 1197, 1254, 1386, 1413, 1463, 1617, 1727, 1862, 1881, 2198, 2394, 2793, 2826, 2926, 2983, 3234, 3297, 3454, 3762, 4389, 4851, 5181, 5586, 5966, 6594, 7693, 8379, 8778, 8949, 9702, 9891, 10241, 10362, 12089, 13167, 15386, 15543, 16758, 17898, 19782, 20482, 20881, 23079, 24178, 26334, 26847, 30723, 31086, 32813, 36267, 41762, 46158, 53694, 61446, 62643, 65626, 69237, 72534, 84623, 92169, 98439, 108801, 125286, 138474, 146167, 169246, 184338, 187929, 196878, 217602, 229691, 253869, 292334, 295317, 375858, 438501, 459382, 507738, 590634, 689073, 761607, 877002, 1315503, 1378146, 1523214, 1607837, 2067219, 2631006, 3215674, 4134438, 4823511, 9647022, 14470533, 28941066]

約数ペア:

[(1, 28941066), (2, 14470533), (3, 9647022), (6, 4823511), (7, 4134438), (9, 3215674), (11, 2631006), (14, 2067219), (18, 1607837), (19, 1523214), (21, 1378146), (22, 1315503), (33, 877002), (38, 761607), (42, 689073), (49, 590634), (57, 507738), (63, 459382), (66, 438501), (77, 375858), (98, 295317), (99, 292334), (114, 253869), (126, 229691), (133, 217602), (147, 196878), (154, 187929), (157, 184338), (171, 169246), (198, 146167), (209, 138474), (231, 125286), (266, 108801), (294, 98439), (314, 92169), (342, 84623), (399, 72534), (418, 69237), (441, 65626), (462, 62643), (471, 61446), (539, 53694), (627, 46158), (693, 41762), (798, 36267), (882, 32813), (931, 31086), (942, 30723), (1078, 26847), (1099, 26334), (1197, 24178), (1254, 23079), (1386, 20881), (1413, 20482), (1463, 19782), (1617, 17898), (1727, 16758), (1862, 15543), (1881, 15386), (2198, 13167), (2394, 12089), (2793, 10362), (2826, 10241), (2926, 9891), (2983, 9702), (3234, 8949), (3297, 8778), (3454, 8379), (3762, 7693), (4389, 6594), (4851, 5966), (5181, 5586)]