31881904

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{68711}}^1$

素因数の和:68748

約数の個数: 20

約数和(自身を含む): 63902160

約数和(自身を除く): 32020256

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 68711, 137422, 274844, 549688, 1099376, 1992619, 3985238, 7970476, 15940952, 31881904]

約数ペア:

[(1, 31881904), (2, 15940952), (4, 7970476), (8, 3985238), (16, 1992619), (29, 1099376), (58, 549688), (116, 274844), (232, 137422), (464, 68711)]