490207904

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{806263}}^1$

素因数の和:806292

約数の個数: 24

約数和(自身を含む): 1015892640

約数和(自身を除く): 525684736

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 806263, 1612526, 3225052, 6450104, 12900208, 15318997, 25800416, 30637994, 61275988, 122551976, 245103952, 490207904]

約数ペア:

[(1, 490207904), (2, 245103952), (4, 122551976), (8, 61275988), (16, 30637994), (19, 25800416), (32, 15318997), (38, 12900208), (76, 6450104), (152, 3225052), (304, 1612526), (608, 806263)]