1226008225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1889}}^1\times {\mathrm{1997}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 1638879480

約数和(自身を除く): 412871255

約数列:

[1, 5, 13, 25, 65, 325, 1889, 1997, 9445, 9985, 24557, 25961, 47225, 49925, 122785, 129805, 613925, 649025, 3772333, 18861665, 49040329, 94308325, 245201645, 1226008225]

約数ペア:

[(1, 1226008225), (5, 245201645), (13, 94308325), (25, 49040329), (65, 18861665), (325, 3772333), (1889, 649025), (1997, 613925), (9445, 129805), (9985, 122785), (24557, 49925), (25961, 47225)]