180709198

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{421}}^1\times {\mathrm{1367}}^1$

素因数の和:1947

約数の個数: 16

約数和(自身を含む): 273638304

約数和(自身を除く): 92929106

約数列:

[1, 2, 157, 314, 421, 842, 1367, 2734, 66097, 132194, 214619, 429238, 575507, 1151014, 90354599, 180709198]

約数ペア:

[(1, 180709198), (2, 90354599), (157, 1151014), (314, 575507), (421, 429238), (842, 214619), (1367, 132194), (2734, 66097)]