67821728

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{12541}}^1$

素因数の和:12577

約数の個数: 36

約数和(自身を含む): 144596718

約数和(自身を除く): 76774990

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 12541, 25082, 50164, 100328, 163033, 200656, 326066, 401312, 652132, 1304264, 2119429, 2608528, 4238858, 5217056, 8477716, 16955432, 33910864, 67821728]

約数ペア:

[(1, 67821728), (2, 33910864), (4, 16955432), (8, 8477716), (13, 5217056), (16, 4238858), (26, 2608528), (32, 2119429), (52, 1304264), (104, 652132), (169, 401312), (208, 326066), (338, 200656), (416, 163033), (676, 100328), (1352, 50164), (2704, 25082), (5408, 12541)]