861636139

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{46643}}^1$

素因数の和:46699

約数の個数: 24

約数和(自身を含む): 1116657360

約数和(自身を除く): 255021221

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1421, 2639, 18473, 46643, 326501, 606359, 1352647, 2285507, 4244513, 9468529, 17584411, 29711591, 66279703, 123090877, 861636139]

約数ペア:

[(1, 861636139), (7, 123090877), (13, 66279703), (29, 29711591), (49, 17584411), (91, 9468529), (203, 4244513), (377, 2285507), (637, 1352647), (1421, 606359), (2639, 326501), (18473, 46643)]