71720528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{407503}}^1$

素因数の和:407522

約数の個数: 20

約数和(自身を含む): 151591488

約数和(自身を除く): 79870960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 407503, 815006, 1630012, 3260024, 4482533, 6520048, 8965066, 17930132, 35860264, 71720528]

約数ペア:

[(1, 71720528), (2, 35860264), (4, 17930132), (8, 8965066), (11, 6520048), (16, 4482533), (22, 3260024), (44, 1630012), (88, 815006), (176, 407503)]