256250878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1709}}^1$

素因数の和:1876

約数の個数: 32

約数和(自身を含む): 425174400

約数和(自身を除く): 168923522

約数列:

[1, 2, 13, 26, 73, 79, 146, 158, 949, 1027, 1709, 1898, 2054, 3418, 5767, 11534, 22217, 44434, 74971, 124757, 135011, 149942, 249514, 270022, 1621841, 1755143, 3243682, 3510286, 9855803, 19711606, 128125439, 256250878]

約数ペア:

[(1, 256250878), (2, 128125439), (13, 19711606), (26, 9855803), (73, 3510286), (79, 3243682), (146, 1755143), (158, 1621841), (949, 270022), (1027, 249514), (1709, 149942), (1898, 135011), (2054, 124757), (3418, 74971), (5767, 44434), (11534, 22217)]