218142708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 635463360

約数和(自身を除く): 417320652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 49, 51, 68, 84, 98, 102, 119, 139, 147, 157, 196, 204, 238, 278, 294, 314, 357, 417, 471, 476, 556, 588, 628, 714, 833, 834, 942, 973, 1099, 1428, 1666, 1668, 1884, 1946, 2198, 2363, 2499, 2669, 2919, 3297, 3332, 3892, 4396, 4726, 4998, 5338, 5838, 6594, 6811, 7089, 7693, 8007, 9452, 9996, 10676, 11676, 13188, 13622, 14178, 15386, 16014, 16541, 18683, 20433, 21823, 23079, 27244, 28356, 30772, 32028, 33082, 37366, 40866, 43646, 46158, 49623, 56049, 65469, 66164, 74732, 81732, 87292, 92316, 99246, 112098, 115787, 130781, 130938, 152761, 198492, 224196, 231574, 261562, 261876, 305522, 347361, 370991, 392343, 458283, 463148, 523124, 611044, 694722, 741982, 784686, 916566, 1069327, 1112973, 1389444, 1483964, 1569372, 1833132, 2138654, 2225946, 2596937, 3207981, 4277308, 4451892, 5193874, 6415962, 7790811, 10387748, 12831924, 15581622, 18178559, 31163244, 36357118, 54535677, 72714236, 109071354, 218142708]

約数ペア:

[(1, 218142708), (2, 109071354), (3, 72714236), (4, 54535677), (6, 36357118), (7, 31163244), (12, 18178559), (14, 15581622), (17, 12831924), (21, 10387748), (28, 7790811), (34, 6415962), (42, 5193874), (49, 4451892), (51, 4277308), (68, 3207981), (84, 2596937), (98, 2225946), (102, 2138654), (119, 1833132), (139, 1569372), (147, 1483964), (157, 1389444), (196, 1112973), (204, 1069327), (238, 916566), (278, 784686), (294, 741982), (314, 694722), (357, 611044), (417, 523124), (471, 463148), (476, 458283), (556, 392343), (588, 370991), (628, 347361), (714, 305522), (833, 261876), (834, 261562), (942, 231574), (973, 224196), (1099, 198492), (1428, 152761), (1666, 130938), (1668, 130781), (1884, 115787), (1946, 112098), (2198, 99246), (2363, 92316), (2499, 87292), (2669, 81732), (2919, 74732), (3297, 66164), (3332, 65469), (3892, 56049), (4396, 49623), (4726, 46158), (4998, 43646), (5338, 40866), (5838, 37366), (6594, 33082), (6811, 32028), (7089, 30772), (7693, 28356), (8007, 27244), (9452, 23079), (9996, 21823), (10676, 20433), (11676, 18683), (13188, 16541), (13622, 16014), (14178, 15386)]