204513655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{509}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 270993600

約数和(自身を除く): 66479945

約数列:

[1, 5, 17, 29, 85, 145, 163, 493, 509, 815, 2465, 2545, 2771, 4727, 8653, 13855, 14761, 23635, 43265, 73805, 80359, 82967, 250937, 401795, 414835, 1254685, 1410439, 2406043, 7052195, 12030215, 40902731, 204513655]

約数ペア:

[(1, 204513655), (5, 40902731), (17, 12030215), (29, 7052195), (85, 2406043), (145, 1410439), (163, 1254685), (493, 414835), (509, 401795), (815, 250937), (2465, 82967), (2545, 80359), (2771, 73805), (4727, 43265), (8653, 23635), (13855, 14761)]