78268528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{376291}}^1$

素因数の和:376312

約数の個数: 20

約数和(自身を含む): 163310728

約数和(自身を除く): 85042200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 376291, 752582, 1505164, 3010328, 4891783, 6020656, 9783566, 19567132, 39134264, 78268528]

約数ペア:

[(1, 78268528), (2, 39134264), (4, 19567132), (8, 9783566), (13, 6020656), (16, 4891783), (26, 3010328), (52, 1505164), (104, 752582), (208, 376291)]