71620016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{344327}}^1$

素因数の和:344348

約数の個数: 20

約数和(自身を含む): 149438352

約数和(自身を除く): 77818336

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 344327, 688654, 1377308, 2754616, 4476251, 5509232, 8952502, 17905004, 35810008, 71620016]

約数ペア:

[(1, 71620016), (2, 35810008), (4, 17905004), (8, 8952502), (13, 5509232), (16, 4476251), (26, 2754616), (52, 1377308), (104, 688654), (208, 344327)]