2821465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 3548160

約数和(自身を除く): 726695

約数列:

[1, 5, 31, 109, 155, 167, 545, 835, 3379, 5177, 16895, 18203, 25885, 91015, 564293, 2821465]

約数ペア:

[(1, 2821465), (5, 564293), (31, 91015), (109, 25885), (155, 18203), (167, 16895), (545, 5177), (835, 3379)]