221767924

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 523998720

約数和(自身を除く): 302230796

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 31, 34, 38, 49, 62, 68, 76, 98, 113, 119, 124, 133, 196, 217, 226, 238, 266, 323, 434, 452, 476, 527, 532, 589, 646, 791, 833, 868, 931, 1054, 1178, 1292, 1519, 1582, 1666, 1862, 1921, 2108, 2147, 2261, 2356, 3038, 3164, 3332, 3503, 3689, 3724, 3842, 4123, 4294, 4522, 5537, 6076, 7006, 7378, 7684, 8246, 8588, 9044, 10013, 11074, 13447, 14012, 14756, 15029, 15827, 16492, 20026, 22148, 24521, 25823, 26894, 28861, 30058, 31654, 36499, 40052, 49042, 51646, 53788, 57722, 59551, 60116, 63308, 66557, 70091, 72998, 94129, 98084, 103292, 105203, 115444, 119102, 133114, 140182, 145996, 171647, 188258, 210406, 238204, 255493, 266228, 280364, 343294, 376516, 416857, 420812, 465899, 490637, 510986, 686588, 833714, 931798, 981274, 1021972, 1131469, 1667428, 1788451, 1863596, 1962548, 2262938, 2917999, 3261293, 3576902, 4525876, 5835998, 6522586, 7153804, 7920283, 11671996, 13045172, 15840566, 31681132, 55441981, 110883962, 221767924]

約数ペア:

[(1, 221767924), (2, 110883962), (4, 55441981), (7, 31681132), (14, 15840566), (17, 13045172), (19, 11671996), (28, 7920283), (31, 7153804), (34, 6522586), (38, 5835998), (49, 4525876), (62, 3576902), (68, 3261293), (76, 2917999), (98, 2262938), (113, 1962548), (119, 1863596), (124, 1788451), (133, 1667428), (196, 1131469), (217, 1021972), (226, 981274), (238, 931798), (266, 833714), (323, 686588), (434, 510986), (452, 490637), (476, 465899), (527, 420812), (532, 416857), (589, 376516), (646, 343294), (791, 280364), (833, 266228), (868, 255493), (931, 238204), (1054, 210406), (1178, 188258), (1292, 171647), (1519, 145996), (1582, 140182), (1666, 133114), (1862, 119102), (1921, 115444), (2108, 105203), (2147, 103292), (2261, 98084), (2356, 94129), (3038, 72998), (3164, 70091), (3332, 66557), (3503, 63308), (3689, 60116), (3724, 59551), (3842, 57722), (4123, 53788), (4294, 51646), (4522, 49042), (5537, 40052), (6076, 36499), (7006, 31654), (7378, 30058), (7684, 28861), (8246, 26894), (8588, 25823), (9044, 24521), (10013, 22148), (11074, 20026), (13447, 16492), (14012, 15827), (14756, 15029)]