201491255

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81083}}^1$

素因数の和:81166

約数の個数: 16

約数和(自身を含む): 280226304

約数和(自身を除く): 78735049

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 81083, 405415, 567581, 2837905, 5756893, 28784465, 40298251, 201491255]

約数ペア:

[(1, 201491255), (5, 40298251), (7, 28784465), (35, 5756893), (71, 2837905), (355, 567581), (497, 405415), (2485, 81083)]