68467984

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{25321}}^1$

素因数の和:25355

約数の個数: 30

約数和(自身を含む): 143651706

約数和(自身を除く): 75183722

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 25321, 50642, 101284, 202568, 329173, 405136, 658346, 1316692, 2633384, 4279249, 5266768, 8558498, 17116996, 34233992, 68467984]

約数ペア:

[(1, 68467984), (2, 34233992), (4, 17116996), (8, 8558498), (13, 5266768), (16, 4279249), (26, 2633384), (52, 1316692), (104, 658346), (169, 405136), (208, 329173), (338, 202568), (676, 101284), (1352, 50642), (2704, 25321)]