71720495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1741}}^1$

素因数の和:1871

約数の個数: 32

約数和(自身を含む): 108366336

約数和(自身を除く): 36645841

約数列:

[1, 5, 7, 11, 35, 55, 77, 107, 385, 535, 749, 1177, 1741, 3745, 5885, 8239, 8705, 12187, 19151, 41195, 60935, 95755, 134057, 186287, 670285, 931435, 1304009, 2049157, 6520045, 10245785, 14344099, 71720495]

約数ペア:

[(1, 71720495), (5, 14344099), (7, 10245785), (11, 6520045), (35, 2049157), (55, 1304009), (77, 931435), (107, 670285), (385, 186287), (535, 134057), (749, 95755), (1177, 60935), (1741, 41195), (3745, 19151), (5885, 12187), (8239, 8705)]