260769278

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{21991}}^1$

素因数の和:22029

約数の個数: 36

約数和(自身を含む): 500164056

約数和(自身を除く): 239394778

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 5929, 11858, 21991, 43982, 153937, 241901, 307874, 483802, 1077559, 1693307, 2155118, 2660911, 3386614, 5321822, 11853149, 18626377, 23706298, 37252754, 130384639, 260769278]

約数ペア:

[(1, 260769278), (2, 130384639), (7, 37252754), (11, 23706298), (14, 18626377), (22, 11853149), (49, 5321822), (77, 3386614), (98, 2660911), (121, 2155118), (154, 1693307), (242, 1077559), (539, 483802), (847, 307874), (1078, 241901), (1694, 153937), (5929, 43982), (11858, 21991)]