2181569285

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{37799}}^1$

素因数の和:37925

約数の個数: 32

約数和(自身を含む): 3200601600

約数和(自身を除く): 1019032315

約数列:

[1, 5, 7, 17, 35, 85, 97, 119, 485, 595, 679, 1649, 3395, 8245, 11543, 37799, 57715, 188995, 264593, 642583, 1322965, 3212915, 3666503, 4498081, 18332515, 22490405, 25665521, 62330551, 128327605, 311652755, 436313857, 2181569285]

約数ペア:

[(1, 2181569285), (5, 436313857), (7, 311652755), (17, 128327605), (35, 62330551), (85, 25665521), (97, 22490405), (119, 18332515), (485, 4498081), (595, 3666503), (679, 3212915), (1649, 1322965), (3395, 642583), (8245, 264593), (11543, 188995), (37799, 57715)]