809540638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{349241}}^1$

素因数の和:349323

約数の個数: 16

約数和(自身を含む): 1299180240

約数和(自身を除く): 489639602

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 349241, 698482, 6635579, 13271158, 21303701, 42607402, 404770319, 809540638]

約数ペア:

[(1, 809540638), (2, 404770319), (19, 42607402), (38, 21303701), (61, 13271158), (122, 6635579), (1159, 698482), (2318, 349241)]