81857690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{9619}}^1$

素因数の和:9686

約数の個数: 32

約数和(自身を含む): 157921920

約数和(自身を除く): 76064230

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 4255, 8510, 9619, 19238, 48095, 96190, 221237, 355903, 442474, 711806, 1106185, 1779515, 2212370, 3559030, 8185769, 16371538, 40928845, 81857690]

約数ペア:

[(1, 81857690), (2, 40928845), (5, 16371538), (10, 8185769), (23, 3559030), (37, 2212370), (46, 1779515), (74, 1106185), (115, 711806), (185, 442474), (230, 355903), (370, 221237), (851, 96190), (1702, 48095), (4255, 19238), (8510, 9619)]