2108647919

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{4903}}^1$

素因数の和:5115

約数の個数: 24

約数和(自身を含む): 2509043328

約数和(自身を除く): 400395409

約数列:

[1, 7, 49, 67, 131, 469, 917, 3283, 4903, 6419, 8777, 34321, 61439, 240247, 328501, 430073, 642293, 2299507, 4496051, 16096549, 31472357, 43033631, 301235417, 2108647919]

約数ペア:

[(1, 2108647919), (7, 301235417), (49, 43033631), (67, 31472357), (131, 16096549), (469, 4496051), (917, 2299507), (3283, 642293), (4903, 430073), (6419, 328501), (8777, 240247), (34321, 61439)]