209218988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{4754977}}^1$

素因数の和:4754992

約数の個数: 12

約数和(自身を含む): 399418152

約数和(自身を除く): 190199164

約数列:

[1, 2, 4, 11, 22, 44, 4754977, 9509954, 19019908, 52304747, 104609494, 209218988]

約数ペア:

[(1, 209218988), (2, 104609494), (4, 52304747), (11, 19019908), (22, 9509954), (44, 4754977)]