85197475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 36

約数和(自身を含む): 118552680

約数和(自身を除く): 33355205

約数列:

[1, 5, 11, 25, 55, 59, 89, 275, 295, 445, 649, 979, 1475, 2225, 3245, 3481, 4895, 5251, 16225, 17405, 24475, 26255, 38291, 57761, 87025, 131275, 191455, 288805, 309809, 957275, 1444025, 1549045, 3407899, 7745225, 17039495, 85197475]

約数ペア:

[(1, 85197475), (5, 17039495), (11, 7745225), (25, 3407899), (55, 1549045), (59, 1444025), (89, 957275), (275, 309809), (295, 288805), (445, 191455), (649, 131275), (979, 87025), (1475, 57761), (2225, 38291), (3245, 26255), (3481, 24475), (4895, 17405), (5251, 16225)]