31965856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1853

約数の個数: 48

約数和(自身を含む): 69388704

約数和(自身を除く): 37422848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 1787, 2236, 3574, 4472, 7148, 8944, 14296, 17888, 23231, 28592, 46462, 57184, 76841, 92924, 153682, 185848, 307364, 371696, 614728, 743392, 998933, 1229456, 1997866, 2458912, 3995732, 7991464, 15982928, 31965856]

約数ペア:

[(1, 31965856), (2, 15982928), (4, 7991464), (8, 3995732), (13, 2458912), (16, 1997866), (26, 1229456), (32, 998933), (43, 743392), (52, 614728), (86, 371696), (104, 307364), (172, 185848), (208, 153682), (344, 92924), (416, 76841), (559, 57184), (688, 46462), (1118, 28592), (1376, 23231), (1787, 17888), (2236, 14296), (3574, 8944), (4472, 7148)]