2781338

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 24

約数和(自身を含む): 4918644

約数和(自身を除く): 2137306

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 281, 562, 707, 1414, 1967, 3934, 4949, 9898, 13769, 27538, 28381, 56762, 198667, 397334, 1390669, 2781338]

約数ペア:

[(1, 2781338), (2, 1390669), (7, 397334), (14, 198667), (49, 56762), (98, 28381), (101, 27538), (202, 13769), (281, 9898), (562, 4949), (707, 3934), (1414, 1967)]