1375828

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 2599520

約数和(自身を除く): 1223692

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 421, 817, 842, 1634, 1684, 3268, 7999, 15998, 18103, 31996, 36206, 72412, 343957, 687914, 1375828]

約数ペア:

[(1, 1375828), (2, 687914), (4, 343957), (19, 72412), (38, 36206), (43, 31996), (76, 18103), (86, 15998), (172, 7999), (421, 3268), (817, 1684), (842, 1634)]