1989428

素因数分解:

$2^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 4009152

約数和(自身を除く): 2019724

約数列:

[1, 2, 4, 7, 14, 28, 227, 313, 454, 626, 908, 1252, 1589, 2191, 3178, 4382, 6356, 8764, 71051, 142102, 284204, 497357, 994714, 1989428]

約数ペア:

[(1, 1989428), (2, 994714), (4, 497357), (7, 284204), (14, 142102), (28, 71051), (227, 8764), (313, 6356), (454, 4382), (626, 3178), (908, 2191), (1252, 1589)]