281312538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{116341}}^1$

素因数の和:116390

約数の個数: 32

約数和(自身を含む): 625454592

約数和(自身を除く): 344142054

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 116341, 232682, 349023, 698046, 1512433, 3024866, 3606571, 4537299, 7213142, 9074598, 10819713, 21639426, 46885423, 93770846, 140656269, 281312538]

約数ペア:

[(1, 281312538), (2, 140656269), (3, 93770846), (6, 46885423), (13, 21639426), (26, 10819713), (31, 9074598), (39, 7213142), (62, 4537299), (78, 3606571), (93, 3024866), (186, 1512433), (403, 698046), (806, 349023), (1209, 232682), (2418, 116341)]