251013428

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{661}}^1\times {\mathrm{683}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 443751840

約数和(自身を除く): 192738412

約数列:

[1, 2, 4, 139, 278, 556, 661, 683, 1322, 1366, 2644, 2732, 91879, 94937, 183758, 189874, 367516, 379748, 451463, 902926, 1805852, 62753357, 125506714, 251013428]

約数ペア:

[(1, 251013428), (2, 125506714), (4, 62753357), (139, 1805852), (278, 902926), (556, 451463), (661, 379748), (683, 367516), (1322, 189874), (1366, 183758), (2644, 94937), (2732, 91879)]