211221475

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{1609}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 269514000

約数和(自身を除く): 58292525

約数列:

[1, 5, 25, 59, 89, 295, 445, 1475, 1609, 2225, 5251, 8045, 26255, 40225, 94931, 131275, 143201, 474655, 716005, 2373275, 3580025, 8448859, 42244295, 211221475]

約数ペア:

[(1, 211221475), (5, 42244295), (25, 8448859), (59, 3580025), (89, 2373275), (295, 716005), (445, 474655), (1475, 143201), (1609, 131275), (2225, 94931), (5251, 40225), (8045, 26255)]