81905224

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1481}}^1$

素因数の和:1741

約数の個数: 32

約数和(自身を含む): 159344640

約数和(自身を除く): 77439416

約数列:

[1, 2, 4, 8, 31, 62, 124, 223, 248, 446, 892, 1481, 1784, 2962, 5924, 6913, 11848, 13826, 27652, 45911, 55304, 91822, 183644, 330263, 367288, 660526, 1321052, 2642104, 10238153, 20476306, 40952612, 81905224]

約数ペア:

[(1, 81905224), (2, 40952612), (4, 20476306), (8, 10238153), (31, 2642104), (62, 1321052), (124, 660526), (223, 367288), (248, 330263), (446, 183644), (892, 91822), (1481, 55304), (1784, 45911), (2962, 27652), (5924, 13826), (6913, 11848)]