287248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1402

約数の個数: 20

約数和(自身を含む): 599788

約数和(自身を除く): 312540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1381, 2762, 5524, 11048, 17953, 22096, 35906, 71812, 143624, 287248]

約数ペア:

[(1, 287248), (2, 143624), (4, 71812), (8, 35906), (13, 22096), (16, 17953), (26, 11048), (52, 5524), (104, 2762), (208, 1381)]