211091804

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 479001600

約数和(自身を除く): 267909796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 197, 284, 308, 343, 394, 497, 539, 686, 781, 788, 994, 1078, 1372, 1379, 1562, 1988, 2156, 2167, 2758, 3124, 3479, 3773, 4334, 5467, 5516, 6958, 7546, 8668, 9653, 10934, 13916, 13987, 15092, 15169, 19306, 21868, 24353, 27974, 30338, 38269, 38612, 48706, 55948, 60676, 67571, 76538, 97412, 97909, 106183, 135142, 153076, 153857, 195818, 212366, 267883, 270284, 307714, 391636, 424732, 535766, 615428, 685363, 743281, 1071532, 1076999, 1370726, 1486562, 2153998, 2741452, 2973124, 4307996, 4797541, 7538993, 9595082, 15077986, 19190164, 30155972, 52772951, 105545902, 211091804]

約数ペア:

[(1, 211091804), (2, 105545902), (4, 52772951), (7, 30155972), (11, 19190164), (14, 15077986), (22, 9595082), (28, 7538993), (44, 4797541), (49, 4307996), (71, 2973124), (77, 2741452), (98, 2153998), (142, 1486562), (154, 1370726), (196, 1076999), (197, 1071532), (284, 743281), (308, 685363), (343, 615428), (394, 535766), (497, 424732), (539, 391636), (686, 307714), (781, 270284), (788, 267883), (994, 212366), (1078, 195818), (1372, 153857), (1379, 153076), (1562, 135142), (1988, 106183), (2156, 97909), (2167, 97412), (2758, 76538), (3124, 67571), (3479, 60676), (3773, 55948), (4334, 48706), (5467, 38612), (5516, 38269), (6958, 30338), (7546, 27974), (8668, 24353), (9653, 21868), (10934, 19306), (13916, 15169), (13987, 15092)]