888931639813

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{12930479}}^1$

素因数の和:12930577

約数の個数: 24

約数和(自身を含む): 1096711591680

約数和(自身を除く): 207779951867

約数列:

[1, 7, 23, 49, 61, 161, 427, 1127, 1403, 2989, 9821, 68747, 12930479, 90513353, 297401017, 633593471, 788759219, 2081807119, 5521314533, 14572649833, 18141462037, 38649201731, 126990234259, 888931639813]

約数ペア:

[(1, 888931639813), (7, 126990234259), (23, 38649201731), (49, 18141462037), (61, 14572649833), (161, 5521314533), (427, 2081807119), (1127, 788759219), (1403, 633593471), (2989, 297401017), (9821, 90513353), (68747, 12930479)]