31971226

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 58461480

約数和(自身を除く): 26490254

約数列:

[1, 2, 7, 14, 41, 49, 73, 82, 98, 109, 146, 218, 287, 511, 574, 763, 1022, 1526, 2009, 2993, 3577, 4018, 4469, 5341, 5986, 7154, 7957, 8938, 10682, 15914, 20951, 31283, 41902, 55699, 62566, 111398, 146657, 218981, 293314, 326237, 389893, 437962, 652474, 779786, 2283659, 4567318, 15985613, 31971226]

約数ペア:

[(1, 31971226), (2, 15985613), (7, 4567318), (14, 2283659), (41, 779786), (49, 652474), (73, 437962), (82, 389893), (98, 326237), (109, 293314), (146, 218981), (218, 146657), (287, 111398), (511, 62566), (574, 55699), (763, 41902), (1022, 31283), (1526, 20951), (2009, 15914), (2993, 10682), (3577, 8938), (4018, 7957), (4469, 7154), (5341, 5986)]