1289826

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:686

約数の個数: 24

約数和(自身を含む): 2821104

約数和(自身を除く): 1531278

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 547, 786, 1094, 1179, 1641, 2358, 3282, 4923, 9846, 71657, 143314, 214971, 429942, 644913, 1289826]

約数ペア:

[(1, 1289826), (2, 644913), (3, 429942), (6, 214971), (9, 143314), (18, 71657), (131, 9846), (262, 4923), (393, 3282), (547, 2358), (786, 1641), (1094, 1179)]