188771891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 243744768

約数和(自身を除く): 54972877

約数列:

[1, 7, 11, 37, 77, 173, 259, 383, 407, 1211, 1903, 2681, 2849, 4213, 6401, 13321, 14171, 29491, 44807, 66259, 70411, 99197, 155881, 463813, 492877, 728849, 1091167, 2451583, 5101943, 17161081, 26967413, 188771891]

約数ペア:

[(1, 188771891), (7, 26967413), (11, 17161081), (37, 5101943), (77, 2451583), (173, 1091167), (259, 728849), (383, 492877), (407, 463813), (1211, 155881), (1903, 99197), (2681, 70411), (2849, 66259), (4213, 44807), (6401, 29491), (13321, 14171)]