28445131169

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{2141}}^1\times {\mathrm{20857}}^1$

素因数の和:23025

約数の個数: 24

約数和(自身を含む): 35652913128

約数和(自身を除く): 7207781959

約数列:

[1, 7, 13, 49, 91, 637, 2141, 14987, 20857, 27833, 104909, 145999, 194831, 271141, 1021993, 1363817, 1897987, 13285909, 44654837, 312583859, 580512881, 2188087013, 4063590167, 28445131169]

約数ペア:

[(1, 28445131169), (7, 4063590167), (13, 2188087013), (49, 580512881), (91, 312583859), (637, 44654837), (2141, 13285909), (14987, 1897987), (20857, 1363817), (27833, 1021993), (104909, 271141), (145999, 194831)]