68005972

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2557}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 122118920

約数和(自身を除く): 54112948

約数列:

[1, 2, 4, 61, 109, 122, 218, 244, 436, 2557, 5114, 6649, 10228, 13298, 26596, 155977, 278713, 311954, 557426, 623908, 1114852, 17001493, 34002986, 68005972]

約数ペア:

[(1, 68005972), (2, 34002986), (4, 17001493), (61, 1114852), (109, 623908), (122, 557426), (218, 311954), (244, 278713), (436, 155977), (2557, 26596), (5114, 13298), (6649, 10228)]