68438178

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{53551}}^1$

素因数の和:53630

約数の個数: 24

約数和(自身を含む): 150374016

約数和(自身を除く): 81935838

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 53551, 107102, 160653, 321306, 481959, 963918, 3802121, 7604242, 11406363, 22812726, 34219089, 68438178]

約数ペア:

[(1, 68438178), (2, 34219089), (3, 22812726), (6, 11406363), (9, 7604242), (18, 3802121), (71, 963918), (142, 481959), (213, 321306), (426, 160653), (639, 107102), (1278, 53551)]