28971505

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1091}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 35852544

約数和(自身を除く): 6881039

約数列:

[1, 5, 47, 113, 235, 565, 1091, 5311, 5455, 26555, 51277, 123283, 256385, 616415, 5794301, 28971505]

約数ペア:

[(1, 28971505), (5, 5794301), (47, 616415), (113, 256385), (235, 123283), (565, 51277), (1091, 26555), (5311, 5455)]