161794804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{19531}}^1$

素因数の和:19663

約数の個数: 24

約数和(自身を含む): 300792800

約数和(自身を除く): 138997996

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 4142, 8284, 19531, 39062, 78124, 371089, 742178, 1484356, 2128879, 4257758, 8515516, 40448701, 80897402, 161794804]

約数ペア:

[(1, 161794804), (2, 80897402), (4, 40448701), (19, 8515516), (38, 4257758), (76, 2128879), (109, 1484356), (218, 742178), (436, 371089), (2071, 78124), (4142, 39062), (8284, 19531)]