254136961

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1669}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 297052920

約数和(自身を除く): 42915959

約数列:

[1, 13, 17, 53, 169, 221, 689, 901, 1669, 2873, 8957, 11713, 21697, 28373, 88457, 152269, 282061, 368849, 1149941, 1503769, 4795037, 14949233, 19548997, 254136961]

約数ペア:

[(1, 254136961), (13, 19548997), (17, 14949233), (53, 4795037), (169, 1503769), (221, 1149941), (689, 368849), (901, 282061), (1669, 152269), (2873, 88457), (8957, 28373), (11713, 21697)]