163980545

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{55681}}^1$

素因数の和:55736

約数の個数: 16

約数和(自身を含む): 213818880

約数和(自身を除く): 49838335

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 55681, 278405, 1057939, 1726111, 5289695, 8630555, 32796109, 163980545]

約数ペア:

[(1, 163980545), (5, 32796109), (19, 8630555), (31, 5289695), (95, 1726111), (155, 1057939), (589, 278405), (2945, 55681)]