30728299

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 8808341

約数列:

[1, 7, 17, 23, 103, 109, 119, 161, 391, 721, 763, 1751, 1853, 2369, 2507, 2737, 11227, 12257, 12971, 16583, 17549, 40273, 42619, 78589, 190859, 258221, 281911, 298333, 1336013, 1807547, 4389757, 30728299]

約数ペア:

[(1, 30728299), (7, 4389757), (17, 1807547), (23, 1336013), (103, 298333), (109, 281911), (119, 258221), (161, 190859), (391, 78589), (721, 42619), (763, 40273), (1751, 17549), (1853, 16583), (2369, 12971), (2507, 12257), (2737, 11227)]