81154388

素因数分解:

$2^2\times 7^2\times {\mathrm{414053}}^1$

素因数の和:414071

約数の個数: 18

約数和(自身を含む): 165207546

約数和(自身を除く): 84053158

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 414053, 828106, 1656212, 2898371, 5796742, 11593484, 20288597, 40577194, 81154388]

約数ペア:

[(1, 81154388), (2, 40577194), (4, 20288597), (7, 11593484), (14, 5796742), (28, 2898371), (49, 1656212), (98, 828106), (196, 414053)]