2912991991

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{52391}}^1$

素因数の和:52471

約数の個数: 24

約数和(自身を含む): 3681690624

約数和(自身を除く): 768698633

約数列:

[1, 7, 13, 47, 91, 169, 329, 611, 1183, 4277, 7943, 52391, 55601, 366737, 681083, 2462377, 4767581, 8854079, 17236639, 32010901, 61978553, 224076307, 416141713, 2912991991]

約数ペア:

[(1, 2912991991), (7, 416141713), (13, 224076307), (47, 61978553), (91, 32010901), (169, 17236639), (329, 8854079), (611, 4767581), (1183, 2462377), (4277, 681083), (7943, 366737), (52391, 55601)]