217372428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9479}}^1$

素因数の和:9516

約数の個数: 108

約数和(自身を含む): 688418640

約数和(自身を除く): 471046212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 1092, 1274, 1638, 1764, 1911, 2548, 3276, 3822, 5733, 7644, 9479, 11466, 18958, 22932, 28437, 37916, 56874, 66353, 85311, 113748, 123227, 132706, 170622, 199059, 246454, 265412, 341244, 369681, 398118, 464471, 492908, 597177, 739362, 796236, 862589, 928942, 1109043, 1194354, 1393413, 1478724, 1725178, 1857884, 2218086, 2388708, 2587767, 2786826, 3450356, 4180239, 4436172, 5175534, 5573652, 6038123, 7763301, 8360478, 10351068, 12076246, 15526602, 16720956, 18114369, 24152492, 31053204, 36228738, 54343107, 72457476, 108686214, 217372428]

約数ペア:

[(1, 217372428), (2, 108686214), (3, 72457476), (4, 54343107), (6, 36228738), (7, 31053204), (9, 24152492), (12, 18114369), (13, 16720956), (14, 15526602), (18, 12076246), (21, 10351068), (26, 8360478), (28, 7763301), (36, 6038123), (39, 5573652), (42, 5175534), (49, 4436172), (52, 4180239), (63, 3450356), (78, 2786826), (84, 2587767), (91, 2388708), (98, 2218086), (117, 1857884), (126, 1725178), (147, 1478724), (156, 1393413), (182, 1194354), (196, 1109043), (234, 928942), (252, 862589), (273, 796236), (294, 739362), (364, 597177), (441, 492908), (468, 464471), (546, 398118), (588, 369681), (637, 341244), (819, 265412), (882, 246454), (1092, 199059), (1274, 170622), (1638, 132706), (1764, 123227), (1911, 113748), (2548, 85311), (3276, 66353), (3822, 56874), (5733, 37916), (7644, 28437), (9479, 22932), (11466, 18958)]