2009657305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{307}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 2522741760

約数和(自身を除く): 513084455

約数列:

[1, 5, 31, 155, 157, 269, 307, 785, 1345, 1535, 4867, 8339, 9517, 24335, 41695, 42233, 47585, 48199, 82583, 211165, 240995, 412915, 1309223, 1494169, 2560073, 6546115, 7470845, 12800365, 12965531, 64827655, 401931461, 2009657305]

約数ペア:

[(1, 2009657305), (5, 401931461), (31, 64827655), (155, 12965531), (157, 12800365), (269, 7470845), (307, 6546115), (785, 2560073), (1345, 1494169), (1535, 1309223), (4867, 412915), (8339, 240995), (9517, 211165), (24335, 82583), (41695, 48199), (42233, 47585)]