13219490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 24748416

約数和(自身を除く): 11528926

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 433, 710, 866, 2165, 3053, 4330, 6106, 15265, 18619, 30530, 30743, 37238, 61486, 93095, 153715, 186190, 307430, 1321949, 2643898, 6609745, 13219490]

約数ペア:

[(1, 13219490), (2, 6609745), (5, 2643898), (10, 1321949), (43, 307430), (71, 186190), (86, 153715), (142, 93095), (215, 61486), (355, 37238), (430, 30743), (433, 30530), (710, 18619), (866, 15265), (2165, 6106), (3053, 4330)]