78563009

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2477}}^1$

素因数の和:2704

約数の個数: 16

約数和(自身を含む): 94203648

約数和(自身を除く): 15640639

約数列:

[1, 7, 23, 161, 197, 1379, 2477, 4531, 17339, 31717, 56971, 398797, 487969, 3415783, 11223287, 78563009]

約数ペア:

[(1, 78563009), (7, 11223287), (23, 3415783), (161, 487969), (197, 398797), (1379, 56971), (2477, 31717), (4531, 17339)]