64407119

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 78249600

約数和(自身を除く): 13842481

約数列:

[1, 7, 31, 49, 109, 217, 389, 763, 1519, 2723, 3379, 5341, 12059, 19061, 23653, 42401, 84413, 165571, 296807, 590891, 1314431, 2077649, 9201017, 64407119]

約数ペア:

[(1, 64407119), (7, 9201017), (31, 2077649), (49, 1314431), (109, 590891), (217, 296807), (389, 165571), (763, 84413), (1519, 42401), (2723, 23653), (3379, 19061), (5341, 12059)]