81272408

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{33751}}^1$

素因数の和:33807

約数の個数: 32

約数和(自身を含む): 178210560

約数和(自身を除く): 96938152

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 33751, 67502, 135004, 236257, 270008, 472514, 945028, 1451293, 1890056, 2902586, 5805172, 10159051, 11610344, 20318102, 40636204, 81272408]

約数ペア:

[(1, 81272408), (2, 40636204), (4, 20318102), (7, 11610344), (8, 10159051), (14, 5805172), (28, 2902586), (43, 1890056), (56, 1451293), (86, 945028), (172, 472514), (301, 270008), (344, 236257), (602, 135004), (1204, 67502), (2408, 33751)]