28910915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4139}}^1$

素因数の和:4282

約数の個数: 16

約数和(自身を含む): 38154240

約数和(自身を除く): 9243325

約数列:

[1, 5, 11, 55, 127, 635, 1397, 4139, 6985, 20695, 45529, 227645, 525653, 2628265, 5782183, 28910915]

約数ペア:

[(1, 28910915), (5, 5782183), (11, 2628265), (55, 525653), (127, 227645), (635, 45529), (1397, 20695), (4139, 6985)]