64690232

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 124692480

約数和(自身を除く): 60002248

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 383, 491, 766, 982, 1532, 1964, 3064, 3928, 16469, 21113, 32938, 42226, 65876, 84452, 131752, 168904, 188053, 376106, 752212, 1504424, 8086279, 16172558, 32345116, 64690232]

約数ペア:

[(1, 64690232), (2, 32345116), (4, 16172558), (8, 8086279), (43, 1504424), (86, 752212), (172, 376106), (344, 188053), (383, 168904), (491, 131752), (766, 84452), (982, 65876), (1532, 42226), (1964, 32938), (3064, 21113), (3928, 16469)]