31890474

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 92832480

約数和(自身を除く): 60942006

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, 171, 173, 198, 209, 231, 266, 294, 342, 346, 399, 418, 441, 462, 519, 539, 627, 693, 798, 882, 931, 1038, 1078, 1197, 1211, 1254, 1386, 1463, 1557, 1617, 1862, 1881, 1903, 2394, 2422, 2793, 2926, 3114, 3234, 3287, 3633, 3762, 3806, 4389, 4851, 5586, 5709, 6574, 7266, 8379, 8477, 8778, 9702, 9861, 10241, 10899, 11418, 13167, 13321, 16758, 16954, 17127, 19722, 20482, 21798, 23009, 25431, 26334, 26642, 29583, 30723, 34254, 36157, 39963, 46018, 50862, 59166, 61446, 69027, 72314, 76293, 79926, 92169, 93247, 108471, 119889, 138054, 152586, 161063, 184338, 186494, 207081, 216942, 239778, 253099, 279741, 322126, 325413, 414162, 483189, 506198, 559482, 650826, 759297, 839223, 966378, 1449567, 1518594, 1678446, 1771693, 2277891, 2899134, 3543386, 4555782, 5315079, 10630158, 15945237, 31890474]

約数ペア:

[(1, 31890474), (2, 15945237), (3, 10630158), (6, 5315079), (7, 4555782), (9, 3543386), (11, 2899134), (14, 2277891), (18, 1771693), (19, 1678446), (21, 1518594), (22, 1449567), (33, 966378), (38, 839223), (42, 759297), (49, 650826), (57, 559482), (63, 506198), (66, 483189), (77, 414162), (98, 325413), (99, 322126), (114, 279741), (126, 253099), (133, 239778), (147, 216942), (154, 207081), (171, 186494), (173, 184338), (198, 161063), (209, 152586), (231, 138054), (266, 119889), (294, 108471), (342, 93247), (346, 92169), (399, 79926), (418, 76293), (441, 72314), (462, 69027), (519, 61446), (539, 59166), (627, 50862), (693, 46018), (798, 39963), (882, 36157), (931, 34254), (1038, 30723), (1078, 29583), (1197, 26642), (1211, 26334), (1254, 25431), (1386, 23009), (1463, 21798), (1557, 20482), (1617, 19722), (1862, 17127), (1881, 16954), (1903, 16758), (2394, 13321), (2422, 13167), (2793, 11418), (2926, 10899), (3114, 10241), (3234, 9861), (3287, 9702), (3633, 8778), (3762, 8477), (3806, 8379), (4389, 7266), (4851, 6574), (5586, 5709)]