289907344

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{132257}}^1$

素因数の和:132402

約数の個数: 20

約数和(自身を含む): 565799724

約数和(自身を除く): 275892380

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 132257, 264514, 529028, 1058056, 2116112, 18119209, 36238418, 72476836, 144953672, 289907344]

約数ペア:

[(1, 289907344), (2, 144953672), (4, 72476836), (8, 36238418), (16, 18119209), (137, 2116112), (274, 1058056), (548, 529028), (1096, 264514), (2192, 132257)]