81654485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3797}}^1$

素因数の和:3853

約数の個数: 32

約数和(自身を含む): 118132992

約数和(自身を除く): 36478507

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1265, 1955, 3797, 4301, 18985, 21505, 41767, 64549, 87331, 208835, 322745, 436655, 710039, 960641, 1484627, 3550195, 4803205, 7423135, 16330897, 81654485]

約数ペア:

[(1, 81654485), (5, 16330897), (11, 7423135), (17, 4803205), (23, 3550195), (55, 1484627), (85, 960641), (115, 710039), (187, 436655), (253, 322745), (391, 208835), (935, 87331), (1265, 64549), (1955, 41767), (3797, 21505), (4301, 18985)]