64517388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21767}}^1$

素因数の和:21806

約数の個数: 48

約数和(自身を含む): 170661120

約数和(自身を除く): 106143732

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 741, 988, 1482, 2964, 21767, 43534, 65301, 87068, 130602, 261204, 282971, 413573, 565942, 827146, 848913, 1131884, 1240719, 1654292, 1697826, 2481438, 3395652, 4962876, 5376449, 10752898, 16129347, 21505796, 32258694, 64517388]

約数ペア:

[(1, 64517388), (2, 32258694), (3, 21505796), (4, 16129347), (6, 10752898), (12, 5376449), (13, 4962876), (19, 3395652), (26, 2481438), (38, 1697826), (39, 1654292), (52, 1240719), (57, 1131884), (76, 848913), (78, 827146), (114, 565942), (156, 413573), (228, 282971), (247, 261204), (494, 130602), (741, 87068), (988, 65301), (1482, 43534), (2964, 21767)]