28505005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{683}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 36345024

約数和(自身を除く): 7840019

約数列:

[1, 5, 17, 85, 491, 683, 2455, 3415, 8347, 11611, 41735, 58055, 335353, 1676765, 5701001, 28505005]

約数ペア:

[(1, 28505005), (5, 5701001), (17, 1676765), (85, 335353), (491, 58055), (683, 41735), (2455, 11611), (3415, 8347)]