138054872

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{420899}}^1$

素因数の和:420946

約数の個数: 16

約数和(自身を含む): 265167000

約数和(自身を除く): 127112128

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 420899, 841798, 1683596, 3367192, 17256859, 34513718, 69027436, 138054872]

約数ペア:

[(1, 138054872), (2, 69027436), (4, 34513718), (8, 17256859), (41, 3367192), (82, 1683596), (164, 841798), (328, 420899)]