201991530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{517927}}^1$

素因数の和:517950

約数の個数: 32

約数和(自身を含む): 522071424

約数和(自身を除く): 320079894

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 517927, 1035854, 1553781, 2589635, 3107562, 5179270, 6733051, 7768905, 13466102, 15537810, 20199153, 33665255, 40398306, 67330510, 100995765, 201991530]

約数ペア:

[(1, 201991530), (2, 100995765), (3, 67330510), (5, 40398306), (6, 33665255), (10, 20199153), (13, 15537810), (15, 13466102), (26, 7768905), (30, 6733051), (39, 5179270), (65, 3107562), (78, 2589635), (130, 1553781), (195, 1035854), (390, 517927)]