64936319

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{3671}}^1$

素因数の和:3723

約数の個数: 18

約数和(自身を含む): 79744824

約数和(自身を除く): 14808505

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 3671, 17689, 25697, 69749, 179879, 488243, 1325231, 3417701, 9276617, 64936319]

約数ペア:

[(1, 64936319), (7, 9276617), (19, 3417701), (49, 1325231), (133, 488243), (361, 179879), (931, 69749), (2527, 25697), (3671, 17689)]