71581544

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 136382400

約数和(自身を除く): 64800856

約数列:

[1, 2, 4, 8, 131, 167, 262, 334, 409, 524, 668, 818, 1048, 1336, 1636, 3272, 21877, 43754, 53579, 68303, 87508, 107158, 136606, 175016, 214316, 273212, 428632, 546424, 8947693, 17895386, 35790772, 71581544]

約数ペア:

[(1, 71581544), (2, 35790772), (4, 17895386), (8, 8947693), (131, 546424), (167, 428632), (262, 273212), (334, 214316), (409, 175016), (524, 136606), (668, 107158), (818, 87508), (1048, 68303), (1336, 53579), (1636, 43754), (3272, 21877)]