2489378815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{64019}}^1$

素因数の和:64143

約数の個数: 32

約数和(自身を含む): 3761303040

約数和(自身を除く): 1271924225

約数列:

[1, 5, 7, 11, 35, 55, 77, 101, 385, 505, 707, 1111, 3535, 5555, 7777, 38885, 64019, 320095, 448133, 704209, 2240665, 3521045, 4929463, 6465919, 24647315, 32329595, 45261433, 71125109, 226307165, 355625545, 497875763, 2489378815]

約数ペア:

[(1, 2489378815), (5, 497875763), (7, 355625545), (11, 226307165), (35, 71125109), (55, 45261433), (77, 32329595), (101, 24647315), (385, 6465919), (505, 4929463), (707, 3521045), (1111, 2240665), (3535, 704209), (5555, 448133), (7777, 320095), (38885, 64019)]