28516912

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 57097040

約数和(自身を除く): 28580128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 181, 229, 344, 362, 458, 688, 724, 916, 1448, 1832, 2896, 3664, 7783, 9847, 15566, 19694, 31132, 39388, 41449, 62264, 78776, 82898, 124528, 157552, 165796, 331592, 663184, 1782307, 3564614, 7129228, 14258456, 28516912]

約数ペア:

[(1, 28516912), (2, 14258456), (4, 7129228), (8, 3564614), (16, 1782307), (43, 663184), (86, 331592), (172, 165796), (181, 157552), (229, 124528), (344, 82898), (362, 78776), (458, 62264), (688, 41449), (724, 39388), (916, 31132), (1448, 19694), (1832, 15566), (2896, 9847), (3664, 7783)]