417278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 16

約数和(自身を含む): 672000

約数和(自身を除く): 254722

約数列:

[1, 2, 19, 38, 79, 139, 158, 278, 1501, 2641, 3002, 5282, 10981, 21962, 208639, 417278]

約数ペア:

[(1, 417278), (2, 208639), (19, 21962), (38, 10981), (79, 5282), (139, 3002), (158, 2641), (278, 1501)]