201821984

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9901}}^1$

素因数の和:9938

約数の個数: 72

約数和(自身を含む): 497813148

約数和(自身を除く): 295991164

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 9901, 10192, 19802, 20384, 39604, 69307, 79208, 128713, 138614, 158416, 257426, 277228, 316832, 485149, 514852, 554456, 900991, 970298, 1029704, 1108912, 1801982, 1940596, 2059408, 2217824, 3603964, 3881192, 4118816, 6306937, 7207928, 7762384, 12613874, 14415856, 15524768, 25227748, 28831712, 50455496, 100910992, 201821984]

約数ペア:

[(1, 201821984), (2, 100910992), (4, 50455496), (7, 28831712), (8, 25227748), (13, 15524768), (14, 14415856), (16, 12613874), (26, 7762384), (28, 7207928), (32, 6306937), (49, 4118816), (52, 3881192), (56, 3603964), (91, 2217824), (98, 2059408), (104, 1940596), (112, 1801982), (182, 1108912), (196, 1029704), (208, 970298), (224, 900991), (364, 554456), (392, 514852), (416, 485149), (637, 316832), (728, 277228), (784, 257426), (1274, 158416), (1456, 138614), (1568, 128713), (2548, 79208), (2912, 69307), (5096, 39604), (9901, 20384), (10192, 19802)]