31405338

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{11113}}^1$

素因数の和:11278

約数の個数: 24

約数和(自身を含む): 68484468

約数和(自身を除く): 37079130

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 11113, 22226, 33339, 66678, 100017, 200034, 1744741, 3489482, 5234223, 10468446, 15702669, 31405338]

約数ペア:

[(1, 31405338), (2, 15702669), (3, 10468446), (6, 5234223), (9, 3489482), (18, 1744741), (157, 200034), (314, 100017), (471, 66678), (942, 33339), (1413, 22226), (2826, 11113)]