28945945

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5477}}^1$

素因数の和:5640

約数の個数: 16

約数和(自身を含む): 39967488

約数和(自身を除く): 11021543

約数列:

[1, 5, 7, 35, 151, 755, 1057, 5285, 5477, 27385, 38339, 191695, 827027, 4135135, 5789189, 28945945]

約数ペア:

[(1, 28945945), (5, 5789189), (7, 4135135), (35, 827027), (151, 191695), (755, 38339), (1057, 27385), (5285, 5477)]