81221016

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{63853}}^1$

素因数の和:63915

約数の個数: 32

約数和(自身を含む): 206886960

約数和(自身を除く): 125665944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 63853, 127706, 191559, 255412, 383118, 510824, 766236, 1532472, 3384209, 6768418, 10152627, 13536836, 20305254, 27073672, 40610508, 81221016]

約数ペア:

[(1, 81221016), (2, 40610508), (3, 27073672), (4, 20305254), (6, 13536836), (8, 10152627), (12, 6768418), (24, 3384209), (53, 1532472), (106, 766236), (159, 510824), (212, 383118), (318, 255412), (424, 191559), (636, 127706), (1272, 63853)]