221707964

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{607}}^1\times {\mathrm{719}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 392232960

約数和(自身を除く): 170524996

約数列:

[1, 2, 4, 127, 254, 508, 607, 719, 1214, 1438, 2428, 2876, 77089, 91313, 154178, 182626, 308356, 365252, 436433, 872866, 1745732, 55426991, 110853982, 221707964]

約数ペア:

[(1, 221707964), (2, 110853982), (4, 55426991), (127, 1745732), (254, 872866), (508, 436433), (607, 365252), (719, 308356), (1214, 182626), (1438, 154178), (2428, 91313), (2876, 77089)]