81299312

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{7927}}^1$

素因数の和:8576

約数の個数: 20

約数和(自身を含む): 157783056

約数和(自身を除く): 76483744

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 7927, 10256, 15854, 31708, 63416, 126832, 5081207, 10162414, 20324828, 40649656, 81299312]

約数ペア:

[(1, 81299312), (2, 40649656), (4, 20324828), (8, 10162414), (16, 5081207), (641, 126832), (1282, 63416), (2564, 31708), (5128, 15854), (7927, 10256)]