238972414

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{19991}}^1$

素因数の和:20175

約数の個数: 16

約数和(自身を含む): 369452160

約数和(自身を除く): 130479746

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 19991, 39982, 859613, 1719226, 2778749, 5557498, 119486207, 238972414]

約数ペア:

[(1, 238972414), (2, 119486207), (43, 5557498), (86, 2778749), (139, 1719226), (278, 859613), (5977, 39982), (11954, 19991)]