2551691716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{154723}}^1$

素因数の和:154784

約数の個数: 48

約数和(自身を含む): 5545308160

約数和(自身を除く): 2993616444

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 16492, 154723, 309446, 618892, 1083061, 2166122, 2939737, 4332244, 4796413, 5879474, 9592826, 11758948, 19185652, 20578159, 33574891, 41156318, 67149782, 82312636, 91131847, 134299564, 182263694, 364527388, 637922929, 1275845858, 2551691716]

約数ペア:

[(1, 2551691716), (2, 1275845858), (4, 637922929), (7, 364527388), (14, 182263694), (19, 134299564), (28, 91131847), (31, 82312636), (38, 67149782), (62, 41156318), (76, 33574891), (124, 20578159), (133, 19185652), (217, 11758948), (266, 9592826), (434, 5879474), (532, 4796413), (589, 4332244), (868, 2939737), (1178, 2166122), (2356, 1083061), (4123, 618892), (8246, 309446), (16492, 154723)]