67791568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{325921}}^1$

素因数の和:325942

約数の個数: 20

約数和(自身を含む): 141450148

約数和(自身を除く): 73658580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 325921, 651842, 1303684, 2607368, 4236973, 5214736, 8473946, 16947892, 33895784, 67791568]

約数ペア:

[(1, 67791568), (2, 33895784), (4, 16947892), (8, 8473946), (13, 5214736), (16, 4236973), (26, 2607368), (52, 1303684), (104, 651842), (208, 325921)]