28571858

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{461}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 51891840

約数和(自身を除く): 23319982

約数列:

[1, 2, 7, 14, 19, 38, 133, 233, 266, 461, 466, 922, 1631, 3227, 3262, 4427, 6454, 8759, 8854, 17518, 30989, 61313, 61978, 107413, 122626, 214826, 751891, 1503782, 2040847, 4081694, 14285929, 28571858]

約数ペア:

[(1, 28571858), (2, 14285929), (7, 4081694), (14, 2040847), (19, 1503782), (38, 751891), (133, 214826), (233, 122626), (266, 107413), (461, 61978), (466, 61313), (922, 30989), (1631, 17518), (3227, 8854), (3262, 8759), (4427, 6454)]