225289897

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3967}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 280458240

約数和(自身を除く): 55168343

約数列:

[1, 7, 19, 49, 61, 133, 427, 931, 1159, 2989, 3967, 8113, 27769, 56791, 75373, 194383, 241987, 527611, 1693909, 3693277, 4597753, 11857363, 32184271, 225289897]

約数ペア:

[(1, 225289897), (7, 32184271), (19, 11857363), (49, 4597753), (61, 3693277), (133, 1693909), (427, 527611), (931, 241987), (1159, 194383), (2989, 75373), (3967, 56791), (8113, 27769)]