1640590047

素因数分解:

$3^2\times {\mathrm{233}}^1\times {\mathrm{401}}^1\times {\mathrm{1951}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 2387069568

約数和(自身を除く): 746479521

約数列:

[1, 3, 9, 233, 401, 699, 1203, 1951, 2097, 3609, 5853, 17559, 93433, 280299, 454583, 782351, 840897, 1363749, 2347053, 4091247, 7041159, 182287783, 546863349, 1640590047]

約数ペア:

[(1, 1640590047), (3, 546863349), (9, 182287783), (233, 7041159), (401, 4091247), (699, 2347053), (1203, 1363749), (1951, 840897), (2097, 782351), (3609, 454583), (5853, 280299), (17559, 93433)]