2977881571

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{1907}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 3663360000

約数和(自身を除く): 685478429

約数列:

[1, 7, 19, 59, 133, 199, 413, 1121, 1393, 1907, 3781, 7847, 11741, 13349, 26467, 36233, 82187, 112513, 223079, 253631, 379493, 787591, 1561553, 2137747, 2656451, 7210367, 14964229, 22390087, 50472569, 156730609, 425411653, 2977881571]

約数ペア:

[(1, 2977881571), (7, 425411653), (19, 156730609), (59, 50472569), (133, 22390087), (199, 14964229), (413, 7210367), (1121, 2656451), (1393, 2137747), (1907, 1561553), (3781, 787591), (7847, 379493), (11741, 253631), (13349, 223079), (26467, 112513), (36233, 82187)]