210678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 472416

約数和(自身を除く): 261738

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 73, 74, 78, 111, 146, 219, 222, 438, 481, 949, 962, 1443, 1898, 2701, 2847, 2886, 5402, 5694, 8103, 16206, 35113, 70226, 105339, 210678]

約数ペア:

[(1, 210678), (2, 105339), (3, 70226), (6, 35113), (13, 16206), (26, 8103), (37, 5694), (39, 5402), (73, 2886), (74, 2847), (78, 2701), (111, 1898), (146, 1443), (219, 962), (222, 949), (438, 481)]