81433664

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{7529}}^1$

素因数の和:7567

約数の個数: 42

約数和(自身を含む): 175004730

約数和(自身を除く): 93571066

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 7529, 10816, 15058, 30116, 60232, 97877, 120464, 195754, 240928, 391508, 481856, 783016, 1272401, 1566032, 2544802, 3132064, 5089604, 6264128, 10179208, 20358416, 40716832, 81433664]

約数ペア:

[(1, 81433664), (2, 40716832), (4, 20358416), (8, 10179208), (13, 6264128), (16, 5089604), (26, 3132064), (32, 2544802), (52, 1566032), (64, 1272401), (104, 783016), (169, 481856), (208, 391508), (338, 240928), (416, 195754), (676, 120464), (832, 97877), (1352, 60232), (2704, 30116), (5408, 15058), (7529, 10816)]