66616528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{378503}}^1$

素因数の和:378522

約数の個数: 20

約数和(自身を含む): 140803488

約数和(自身を除く): 74186960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 378503, 757006, 1514012, 3028024, 4163533, 6056048, 8327066, 16654132, 33308264, 66616528]

約数ペア:

[(1, 66616528), (2, 33308264), (4, 16654132), (8, 8327066), (11, 6056048), (16, 4163533), (22, 3028024), (44, 1514012), (88, 757006), (176, 378503)]