51351690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131671}}^1$

素因数の和:131694

約数の個数: 32

約数和(自身を含む): 132725376

約数和(自身を除く): 81373686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 131671, 263342, 395013, 658355, 790026, 1316710, 1711723, 1975065, 3423446, 3950130, 5135169, 8558615, 10270338, 17117230, 25675845, 51351690]

約数ペア:

[(1, 51351690), (2, 25675845), (3, 17117230), (5, 10270338), (6, 8558615), (10, 5135169), (13, 3950130), (15, 3423446), (26, 1975065), (30, 1711723), (39, 1316710), (65, 790026), (78, 658355), (130, 395013), (195, 263342), (390, 131671)]