28728502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1296

約数の個数: 32

約数和(自身を含む): 49986720

約数和(自身を除く): 21258218

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 319, 407, 638, 814, 1073, 1217, 2146, 2434, 11803, 13387, 23606, 26774, 35293, 45029, 70586, 90058, 388223, 495319, 776446, 990638, 1305841, 2611682, 14364251, 28728502]

約数ペア:

[(1, 28728502), (2, 14364251), (11, 2611682), (22, 1305841), (29, 990638), (37, 776446), (58, 495319), (74, 388223), (319, 90058), (407, 70586), (638, 45029), (814, 35293), (1073, 26774), (1217, 23606), (2146, 13387), (2434, 11803)]