213972768

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{18121}}^1$

素因数の和:18178

約数の個数: 72

約数和(自身を含む): 623360556

約数和(自身を除く): 409387788

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 72, 82, 96, 123, 144, 164, 246, 288, 328, 369, 492, 656, 738, 984, 1312, 1476, 1968, 2952, 3936, 5904, 11808, 18121, 36242, 54363, 72484, 108726, 144968, 163089, 217452, 289936, 326178, 434904, 579872, 652356, 742961, 869808, 1304712, 1485922, 1739616, 2228883, 2609424, 2971844, 4457766, 5218848, 5943688, 6686649, 8915532, 11887376, 13373298, 17831064, 23774752, 26746596, 35662128, 53493192, 71324256, 106986384, 213972768]

約数ペア:

[(1, 213972768), (2, 106986384), (3, 71324256), (4, 53493192), (6, 35662128), (8, 26746596), (9, 23774752), (12, 17831064), (16, 13373298), (18, 11887376), (24, 8915532), (32, 6686649), (36, 5943688), (41, 5218848), (48, 4457766), (72, 2971844), (82, 2609424), (96, 2228883), (123, 1739616), (144, 1485922), (164, 1304712), (246, 869808), (288, 742961), (328, 652356), (369, 579872), (492, 434904), (656, 326178), (738, 289936), (984, 217452), (1312, 163089), (1476, 144968), (1968, 108726), (2952, 72484), (3936, 54363), (5904, 36242), (11808, 18121)]