266234689

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 321035400

約数和(自身を除く): 54800711

約数列:

[1, 7, 41, 49, 89, 287, 623, 1489, 2009, 3649, 4361, 10423, 25543, 61049, 72961, 132521, 178801, 427343, 927647, 2991401, 5433361, 6493529, 38033527, 266234689]

約数ペア:

[(1, 266234689), (7, 38033527), (41, 6493529), (49, 5433361), (89, 2991401), (287, 927647), (623, 427343), (1489, 178801), (2009, 132521), (3649, 72961), (4361, 61049), (10423, 25543)]