31619290

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{21221}}^1$

素因数の和:21377

約数の個数: 16

約数和(自身を含む): 57299400

約数和(自身を除く): 25680110

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 21221, 42442, 106105, 212210, 3161929, 6323858, 15809645, 31619290]

約数ペア:

[(1, 31619290), (2, 15809645), (5, 6323858), (10, 3161929), (149, 212210), (298, 106105), (745, 42442), (1490, 21221)]