209384788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{88873}}^1$

素因数の和:88927

約数の個数: 24

約数和(自身を含む): 398155520

約数和(自身を除く): 188770732

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 88873, 177746, 355492, 1688587, 2755063, 3377174, 5510126, 6754348, 11020252, 52346197, 104692394, 209384788]

約数ペア:

[(1, 209384788), (2, 104692394), (4, 52346197), (19, 11020252), (31, 6754348), (38, 5510126), (62, 3377174), (76, 2755063), (124, 1688587), (589, 355492), (1178, 177746), (2356, 88873)]