81464432

素因数分解:

$2^4\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1429}}^1$

素因数の和:1953

約数の個数: 40

約数和(自身を含む): 180866400

約数和(自身を除く): 99401968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 509, 1018, 1429, 2036, 2858, 3563, 4072, 5716, 7126, 8144, 10003, 11432, 14252, 20006, 22864, 28504, 40012, 57008, 80024, 160048, 727361, 1454722, 2909444, 5091527, 5818888, 10183054, 11637776, 20366108, 40732216, 81464432]

約数ペア:

[(1, 81464432), (2, 40732216), (4, 20366108), (7, 11637776), (8, 10183054), (14, 5818888), (16, 5091527), (28, 2909444), (56, 1454722), (112, 727361), (509, 160048), (1018, 80024), (1429, 57008), (2036, 40012), (2858, 28504), (3563, 22864), (4072, 20006), (5716, 14252), (7126, 11432), (8144, 10003)]