247667810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{11273}}^1$

素因数の和:11319

約数の個数: 32

約数和(自身を含む): 482978160

約数和(自身を除く): 235310350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 11273, 21970, 22546, 56365, 112730, 146549, 293098, 732745, 1465490, 1905137, 3810274, 9525685, 19051370, 24766781, 49533562, 123833905, 247667810]

約数ペア:

[(1, 247667810), (2, 123833905), (5, 49533562), (10, 24766781), (13, 19051370), (26, 9525685), (65, 3810274), (130, 1905137), (169, 1465490), (338, 732745), (845, 293098), (1690, 146549), (2197, 112730), (4394, 56365), (10985, 22546), (11273, 21970)]