67398928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{221707}}^1$

素因数の和:221734

約数の個数: 20

約数和(自身を含む): 137458960

約数和(自身を除く): 70060032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 221707, 443414, 886828, 1773656, 3547312, 4212433, 8424866, 16849732, 33699464, 67398928]

約数ペア:

[(1, 67398928), (2, 33699464), (4, 16849732), (8, 8424866), (16, 4212433), (19, 3547312), (38, 1773656), (76, 886828), (152, 443414), (304, 221707)]