138278478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1772801}}^1$

素因数の和:1772819

約数の個数: 16

約数和(自身を含む): 297830736

約数和(自身を除く): 159552258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1772801, 3545602, 5318403, 10636806, 23046413, 46092826, 69139239, 138278478]

約数ペア:

[(1, 138278478), (2, 69139239), (3, 46092826), (6, 23046413), (13, 10636806), (26, 5318403), (39, 3545602), (78, 1772801)]