81278974

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{141601}}^1$

素因数の和:141651

約数の個数: 16

約数和(自身を含む): 142734816

約数和(自身を除く): 61455842

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 141601, 283202, 991207, 1982414, 5805641, 11611282, 40639487, 81278974]

約数ペア:

[(1, 81278974), (2, 40639487), (7, 11611282), (14, 5805641), (41, 1982414), (82, 991207), (287, 283202), (574, 141601)]