321438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 698328

約数和(自身を除く): 376890

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 317, 338, 507, 634, 951, 1014, 1902, 4121, 8242, 12363, 24726, 53573, 107146, 160719, 321438]

約数ペア:

[(1, 321438), (2, 160719), (3, 107146), (6, 53573), (13, 24726), (26, 12363), (39, 8242), (78, 4121), (169, 1902), (317, 1014), (338, 951), (507, 634)]