64386910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21391}}^1$

素因数の和:21448

約数の個数: 32

約数和(自身を含む): 135539712

約数和(自身を除く): 71152802

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 21391, 42782, 106955, 149737, 213910, 299474, 748685, 919813, 1497370, 1839626, 4599065, 6438691, 9198130, 12877382, 32193455, 64386910]

約数ペア:

[(1, 64386910), (2, 32193455), (5, 12877382), (7, 9198130), (10, 6438691), (14, 4599065), (35, 1839626), (43, 1497370), (70, 919813), (86, 748685), (215, 299474), (301, 213910), (430, 149737), (602, 106955), (1505, 42782), (3010, 21391)]