1281321574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1\times {\mathrm{2089}}^1$

素因数の和:2896

約数の個数: 32

約数和(自身を含む): 2140427520

約数和(自身を除く): 859105946

約数列:

[1, 2, 13, 26, 31, 62, 403, 761, 806, 1522, 2089, 4178, 9893, 19786, 23591, 27157, 47182, 54314, 64759, 129518, 306683, 613366, 841867, 1589729, 1683734, 3179458, 20666477, 41332954, 49281599, 98563198, 640660787, 1281321574]

約数ペア:

[(1, 1281321574), (2, 640660787), (13, 98563198), (26, 49281599), (31, 41332954), (62, 20666477), (403, 3179458), (761, 1683734), (806, 1589729), (1522, 841867), (2089, 613366), (4178, 306683), (9893, 129518), (19786, 64759), (23591, 54314), (27157, 47182)]