64339490

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90619}}^1$

素因数の和:90697

約数の個数: 16

約数和(自身を含む): 117443520

約数和(自身を除く): 53104030

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90619, 181238, 453095, 906190, 6433949, 12867898, 32169745, 64339490]

約数ペア:

[(1, 64339490), (2, 32169745), (5, 12867898), (10, 6433949), (71, 906190), (142, 453095), (355, 181238), (710, 90619)]