87071905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 113944320

約数和(自身を除く): 26872415

約数列:

[1, 5, 23, 41, 59, 115, 205, 295, 313, 943, 1357, 1565, 2419, 4715, 6785, 7199, 12095, 12833, 18467, 35995, 55637, 64165, 92335, 278185, 295159, 424741, 757147, 1475795, 2123705, 3785735, 17414381, 87071905]

約数ペア:

[(1, 87071905), (5, 17414381), (23, 3785735), (41, 2123705), (59, 1475795), (115, 757147), (205, 424741), (295, 295159), (313, 278185), (943, 92335), (1357, 64165), (1565, 55637), (2419, 35995), (4715, 18467), (6785, 12833), (7199, 12095)]