81399032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71153}}^1$

素因数の和:71183

約数の個数: 32

約数和(自身を含む): 179308080

約数和(自身を除く): 97909048

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 71153, 142306, 284612, 569224, 782683, 924989, 1565366, 1849978, 3130732, 3699956, 6261464, 7399912, 10174879, 20349758, 40699516, 81399032]

約数ペア:

[(1, 81399032), (2, 40699516), (4, 20349758), (8, 10174879), (11, 7399912), (13, 6261464), (22, 3699956), (26, 3130732), (44, 1849978), (52, 1565366), (88, 924989), (104, 782683), (143, 569224), (286, 284612), (572, 142306), (1144, 71153)]