28991456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{69691}}^1$

素因数の和:69714

約数の個数: 24

約数和(自身を含む): 61468344

約数和(自身を除く): 32476888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 69691, 139382, 278764, 557528, 905983, 1115056, 1811966, 2230112, 3623932, 7247864, 14495728, 28991456]

約数ペア:

[(1, 28991456), (2, 14495728), (4, 7247864), (8, 3623932), (13, 2230112), (16, 1811966), (26, 1115056), (32, 905983), (52, 557528), (104, 278764), (208, 139382), (416, 69691)]