2106928405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{2243}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 2751179904

約数和(自身を除く): 644251499

約数列:

[1, 5, 17, 43, 85, 215, 257, 731, 1285, 2243, 3655, 4369, 11051, 11215, 21845, 38131, 55255, 96449, 187867, 190655, 482245, 576451, 939335, 1639633, 2882255, 8198165, 9799667, 24787393, 48998335, 123936965, 421385681, 2106928405]

約数ペア:

[(1, 2106928405), (5, 421385681), (17, 123936965), (43, 48998335), (85, 24787393), (215, 9799667), (257, 8198165), (731, 2882255), (1285, 1639633), (2243, 939335), (3655, 576451), (4369, 482245), (11051, 190655), (11215, 187867), (21845, 96449), (38131, 55255)]