289234278

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{518341}}^1$

素因数の和:518380

約数の個数: 24

約数和(自身を含む): 646890816

約数和(自身を除く): 357656538

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 518341, 1036682, 1555023, 3110046, 4665069, 9330138, 16068571, 32137142, 48205713, 96411426, 144617139, 289234278]

約数ペア:

[(1, 289234278), (2, 144617139), (3, 96411426), (6, 48205713), (9, 32137142), (18, 16068571), (31, 9330138), (62, 4665069), (93, 3110046), (186, 1555023), (279, 1036682), (558, 518341)]