209541709

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 246646400

約数和(自身を除く): 37104691

約数列:

[1, 13, 19, 43, 109, 181, 247, 559, 817, 1417, 2071, 2353, 3439, 4687, 7783, 10621, 19729, 26923, 44707, 60931, 89053, 101179, 147877, 256477, 374851, 848347, 1157689, 1922401, 4873063, 11028511, 16118593, 209541709]

約数ペア:

[(1, 209541709), (13, 16118593), (19, 11028511), (43, 4873063), (109, 1922401), (181, 1157689), (247, 848347), (559, 374851), (817, 256477), (1417, 147877), (2071, 101179), (2353, 89053), (3439, 60931), (4687, 44707), (7783, 26923), (10621, 19729)]