208570908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{491}}^1$

素因数の和:907

約数の個数: 96

約数和(自身を含む): 601735680

約数和(自身を除く): 393164772

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 389, 491, 546, 778, 982, 1092, 1167, 1473, 1556, 1964, 2334, 2723, 2946, 3437, 4668, 5057, 5446, 5892, 6383, 6874, 8169, 10114, 10311, 10892, 12766, 13748, 15171, 16338, 19149, 20228, 20622, 25532, 30342, 32676, 35399, 38298, 41244, 44681, 60684, 70798, 76596, 89362, 106197, 134043, 141596, 178724, 190999, 212394, 268086, 381998, 424788, 536172, 572997, 763996, 1145994, 1336993, 2291988, 2482987, 2673986, 4010979, 4965974, 5347972, 7448961, 8021958, 9931948, 14897922, 16043916, 17380909, 29795844, 34761818, 52142727, 69523636, 104285454, 208570908]

約数ペア:

[(1, 208570908), (2, 104285454), (3, 69523636), (4, 52142727), (6, 34761818), (7, 29795844), (12, 17380909), (13, 16043916), (14, 14897922), (21, 9931948), (26, 8021958), (28, 7448961), (39, 5347972), (42, 4965974), (52, 4010979), (78, 2673986), (84, 2482987), (91, 2291988), (156, 1336993), (182, 1145994), (273, 763996), (364, 572997), (389, 536172), (491, 424788), (546, 381998), (778, 268086), (982, 212394), (1092, 190999), (1167, 178724), (1473, 141596), (1556, 134043), (1964, 106197), (2334, 89362), (2723, 76596), (2946, 70798), (3437, 60684), (4668, 44681), (5057, 41244), (5446, 38298), (5892, 35399), (6383, 32676), (6874, 30342), (8169, 25532), (10114, 20622), (10311, 20228), (10892, 19149), (12766, 16338), (13748, 15171)]