289499248

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{489019}}^1$

素因数の和:489064

約数の個数: 20

約数和(自身を含む): 576065560

約数和(自身を除く): 286566312

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 489019, 978038, 1956076, 3912152, 7824304, 18093703, 36187406, 72374812, 144749624, 289499248]

約数ペア:

[(1, 289499248), (2, 144749624), (4, 72374812), (8, 36187406), (16, 18093703), (37, 7824304), (74, 3912152), (148, 1956076), (296, 978038), (592, 489019)]