31198994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{15773}}^1$

素因数の和:15841

約数の個数: 16

約数和(自身を含む): 49972032

約数和(自身を除く): 18773038

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 15773, 31546, 362779, 678239, 725558, 1356478, 15599497, 31198994]

約数ペア:

[(1, 31198994), (2, 15599497), (23, 1356478), (43, 725558), (46, 678239), (86, 362779), (989, 31546), (1978, 15773)]