2150555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:718

約数の個数: 16

約数和(自身を含む): 2865888

約数和(自身を除く): 715333

約数列:

[1, 5, 11, 55, 61, 305, 641, 671, 3205, 3355, 7051, 35255, 39101, 195505, 430111, 2150555]

約数ペア:

[(1, 2150555), (5, 430111), (11, 195505), (55, 39101), (61, 35255), (305, 7051), (641, 3355), (671, 3205)]