212138696

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 497612160

約数和(自身を除く): 285473464

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 521, 616, 661, 1042, 1322, 2084, 2644, 3647, 4168, 4627, 5288, 5731, 7271, 7294, 9254, 11462, 14542, 14588, 18508, 22924, 29084, 29176, 37016, 40117, 45848, 50897, 58168, 80234, 101794, 160468, 203588, 320936, 344381, 407176, 688762, 1377524, 2410667, 2755048, 3788191, 4821334, 7576382, 9642668, 15152764, 19285336, 26517337, 30305528, 53034674, 106069348, 212138696]

約数ペア:

[(1, 212138696), (2, 106069348), (4, 53034674), (7, 30305528), (8, 26517337), (11, 19285336), (14, 15152764), (22, 9642668), (28, 7576382), (44, 4821334), (56, 3788191), (77, 2755048), (88, 2410667), (154, 1377524), (308, 688762), (521, 407176), (616, 344381), (661, 320936), (1042, 203588), (1322, 160468), (2084, 101794), (2644, 80234), (3647, 58168), (4168, 50897), (4627, 45848), (5288, 40117), (5731, 37016), (7271, 29176), (7294, 29084), (9254, 22924), (11462, 18508), (14542, 14588)]