2720795

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 4202496

約数和(自身を除く): 1481701

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 185, 191, 259, 385, 407, 955, 1295, 1337, 2035, 2101, 2849, 6685, 7067, 10505, 14245, 14707, 35335, 49469, 73535, 77737, 247345, 388685, 544159, 2720795]

約数ペア:

[(1, 2720795), (5, 544159), (7, 388685), (11, 247345), (35, 77737), (37, 73535), (55, 49469), (77, 35335), (185, 14707), (191, 14245), (259, 10505), (385, 7067), (407, 6685), (955, 2849), (1295, 2101), (1337, 2035)]