31223504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3555

約数の個数: 40

約数和(自身を含む): 66683232

約数和(自身を除く): 35459728

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 3491, 4472, 6982, 8944, 13964, 27928, 45383, 55856, 90766, 150113, 181532, 300226, 363064, 600452, 726128, 1200904, 1951469, 2401808, 3902938, 7805876, 15611752, 31223504]

約数ペア:

[(1, 31223504), (2, 15611752), (4, 7805876), (8, 3902938), (13, 2401808), (16, 1951469), (26, 1200904), (43, 726128), (52, 600452), (86, 363064), (104, 300226), (172, 181532), (208, 150113), (344, 90766), (559, 55856), (688, 45383), (1118, 27928), (2236, 13964), (3491, 8944), (4472, 6982)]