81198782

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28571}}^1$

素因数の和:28616

約数の個数: 24

約数和(自身を含む): 146574360

約数和(自身を除く): 65375578

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 28571, 57142, 199997, 399994, 828559, 1399979, 1657118, 2799958, 5799913, 11599826, 40599391, 81198782]

約数ペア:

[(1, 81198782), (2, 40599391), (7, 11599826), (14, 5799913), (29, 2799958), (49, 1657118), (58, 1399979), (98, 828559), (203, 399994), (406, 199997), (1421, 57142), (2842, 28571)]